Smartwool Men's Classic Thermal Merino Base Layer Bottom – Saratoga Outdoors

Free standard shipping on orders $200+

Shop Select sale items from our top performing brands -Shop Now!

Smartwool Men's Classic Thermal Merino Base Layer Bottom

Smartwool Men's Classic Thermal Merino Base Layer Bottom

Smartwool Men's Classic Thermal Merino Base Layer Bottom

Smartwool Men's Classic Thermal Merino Base Layer Bottom

Smartwool Men's Classic Thermal Merino Base Layer Bottom

Smartwool Men's Classic Thermal Merino Base Layer Bottom

Smartwool Men's Classic Thermal Merino Base Layer Bottom

Smartwool Men's Classic Thermal Merino Base Layer Bottom

Smartwool Men's Classic Thermal Merino Base Layer Bottom

Smartwool Men's Classic Thermal Merino Base Layer Bottom

Smartwool Men's Classic Thermal Merino Base Layer Bottom

Smartwool Men's Classic Thermal Merino Base Layer Bottom

$115.00

Low stock - 1 item left
Inventory on the way

Liquid error (snippets/image-element line 101): invalid url input

1% of every sale is donated to an environmental organization in need

We've updated our Men's Classic Thermal Merino Base Layer Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wool will help you keep your game at a high level for longer. And our warmest-weight wool fabric will help keep you warm and comfortable as you ski, run, and hike the day away.

Orders over $200 qualify for free standard shipping! Some exclusions apply.
Choose from standard, express, or next-day shipping at checkout. (Please note Next-Day shipping is unavailable on the weekend days)
Oversized items (such as skis and snowshoes) require a higher shipping rate due to their size and weight.
We ship USPS to the U.S. only.
Local to Saratoga Springs? Select in-store pickup at checkout!

For shipping and return details, please see our return policy.

Please contact us with any other questions at info@saratogaoutdoors.com!

[{"id":51280461136189,"title":"Black \/ SM","option1":"Black","option2":"SM","option3":null,"sku":"193392652565","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588569917,"product_id":10211114156349,"position":5,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361001-ALT2.avif?v=1768929492","variant_ids":[51280461136189,51280461234493,51280461431101,51280461529405,51280461594941]},"available":true,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Black \/ SM","public_title":"Black \/ SM","options":["Black","SM"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"193392652565","featured_media":{"alt":null,"id":48914176213309,"position":5,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361001-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":51280461234493,"title":"Black \/ MD","option1":"Black","option2":"MD","option3":null,"sku":"193392652664","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588569917,"product_id":10211114156349,"position":5,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361001-ALT2.avif?v=1768929492","variant_ids":[51280461136189,51280461234493,51280461431101,51280461529405,51280461594941]},"available":true,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Black \/ MD","public_title":"Black \/ MD","options":["Black","MD"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"193392652664","featured_media":{"alt":null,"id":48914176213309,"position":5,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361001-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":51280461431101,"title":"Black \/ LG","option1":"Black","option2":"LG","option3":null,"sku":"193392652756","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588569917,"product_id":10211114156349,"position":5,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361001-ALT2.avif?v=1768929492","variant_ids":[51280461136189,51280461234493,51280461431101,51280461529405,51280461594941]},"available":true,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Black \/ LG","public_title":"Black \/ LG","options":["Black","LG"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"193392652756","featured_media":{"alt":null,"id":48914176213309,"position":5,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361001-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":51280461529405,"title":"Black \/ XL","option1":"Black","option2":"XL","option3":null,"sku":"193392652350","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588569917,"product_id":10211114156349,"position":5,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361001-ALT2.avif?v=1768929492","variant_ids":[51280461136189,51280461234493,51280461431101,51280461529405,51280461594941]},"available":true,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Black \/ XL","public_title":"Black \/ XL","options":["Black","XL"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"193392652350","featured_media":{"alt":null,"id":48914176213309,"position":5,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361001-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":51280461594941,"title":"Black \/ XXL","option1":"Black","option2":"XXL","option3":null,"sku":"193392652459","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588569917,"product_id":10211114156349,"position":5,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361001-ALT2.avif?v=1768929492","variant_ids":[51280461136189,51280461234493,51280461431101,51280461529405,51280461594941]},"available":true,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Black \/ XXL","public_title":"Black \/ XXL","options":["Black","XXL"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"193392652459","featured_media":{"alt":null,"id":48914176213309,"position":5,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361001-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":51280461660477,"title":"Charcoal Heather \/ LG","option1":"Charcoal Heather","option2":"LG","option3":null,"sku":"193392652428","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588438845,"product_id":10211114156349,"position":1,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361010-ALT2.avif?v=1768929492","variant_ids":[51280461660477,51280461791549,51280461857085,51280463102269,51280463167805]},"available":true,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Charcoal Heather \/ LG","public_title":"Charcoal Heather \/ LG","options":["Charcoal Heather","LG"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"193392652428","featured_media":{"alt":null,"id":48914176082237,"position":1,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361010-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":51280461791549,"title":"Charcoal Heather \/ MD","option1":"Charcoal Heather","option2":"MD","option3":null,"sku":"193392652268","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588438845,"product_id":10211114156349,"position":1,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361010-ALT2.avif?v=1768929492","variant_ids":[51280461660477,51280461791549,51280461857085,51280463102269,51280463167805]},"available":true,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Charcoal Heather \/ MD","public_title":"Charcoal Heather \/ MD","options":["Charcoal Heather","MD"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"193392652268","featured_media":{"alt":null,"id":48914176082237,"position":1,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361010-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":51280461857085,"title":"Charcoal Heather \/ SM","option1":"Charcoal Heather","option2":"SM","option3":null,"sku":"193392652206","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588438845,"product_id":10211114156349,"position":1,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361010-ALT2.avif?v=1768929492","variant_ids":[51280461660477,51280461791549,51280461857085,51280463102269,51280463167805]},"available":true,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Charcoal Heather \/ SM","public_title":"Charcoal Heather \/ SM","options":["Charcoal Heather","SM"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"193392652206","featured_media":{"alt":null,"id":48914176082237,"position":1,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361010-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":51280463102269,"title":"Charcoal Heather \/ XL","option1":"Charcoal Heather","option2":"XL","option3":null,"sku":"193392652527","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588438845,"product_id":10211114156349,"position":1,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361010-ALT2.avif?v=1768929492","variant_ids":[51280461660477,51280461791549,51280461857085,51280463102269,51280463167805]},"available":true,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Charcoal Heather \/ XL","public_title":"Charcoal Heather \/ XL","options":["Charcoal Heather","XL"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"193392652527","featured_media":{"alt":null,"id":48914176082237,"position":1,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361010-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":51280463167805,"title":"Charcoal Heather \/ XXL","option1":"Charcoal Heather","option2":"XXL","option3":null,"sku":"193392652626","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588438845,"product_id":10211114156349,"position":1,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361010-ALT2.avif?v=1768929492","variant_ids":[51280461660477,51280461791549,51280461857085,51280463102269,51280463167805]},"available":true,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Charcoal Heather \/ XXL","public_title":"Charcoal Heather \/ XXL","options":["Charcoal Heather","XXL"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"193392652626","featured_media":{"alt":null,"id":48914176082237,"position":1,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361010-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":51280463298877,"title":"Winter Moss Heather \/ LG","option1":"Winter Moss Heather","option2":"LG","option3":null,"sku":"210000324631","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588471613,"product_id":10211114156349,"position":3,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361K66-ALT2.avif?v=1768929492","variant_ids":[51280463298877,51280463429949,51280463528253]},"available":true,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Winter Moss Heather \/ LG","public_title":"Winter Moss Heather \/ LG","options":["Winter Moss Heather","LG"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"196011489962","featured_media":{"alt":null,"id":48914176115005,"position":3,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361K66-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":51280463429949,"title":"Winter Moss Heather \/ MD","option1":"Winter Moss Heather","option2":"MD","option3":null,"sku":"210000324632","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588471613,"product_id":10211114156349,"position":3,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361K66-ALT2.avif?v=1768929492","variant_ids":[51280463298877,51280463429949,51280463528253]},"available":false,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Winter Moss Heather \/ MD","public_title":"Winter Moss Heather \/ MD","options":["Winter Moss Heather","MD"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"196011489818","featured_media":{"alt":null,"id":48914176115005,"position":3,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361K66-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]},{"id":51280463528253,"title":"Winter Moss Heather \/ XL","option1":"Winter Moss Heather","option2":"XL","option3":null,"sku":"210000324633","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588471613,"product_id":10211114156349,"position":3,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361K66-ALT2.avif?v=1768929492","variant_ids":[51280463298877,51280463429949,51280463528253]},"available":true,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Winter Moss Heather \/ XL","public_title":"Winter Moss Heather \/ XL","options":["Winter Moss Heather","XL"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"196011490111","featured_media":{"alt":null,"id":48914176115005,"position":3,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361K66-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]}]

{"id":51280461136189,"title":"Black \/ SM","option1":"Black","option2":"SM","option3":null,"sku":"193392652565","requires_shipping":true,"taxable":true,"featured_image":{"id":61866588569917,"product_id":10211114156349,"position":5,"created_at":"2026-01-20T12:18:02-05:00","updated_at":"2026-01-20T12:18:12-05:00","alt":null,"width":740,"height":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361001-ALT2.avif?v=1768929492","variant_ids":[51280461136189,51280461234493,51280461431101,51280461529405,51280461594941]},"available":true,"name":"Smartwool Men's Classic Thermal Merino Base Layer Bottom - Black \/ SM","public_title":"Black \/ SM","options":["Black","SM"],"price":11500,"weight":0,"compare_at_price":11500,"inventory_management":"shopify","barcode":"193392652565","featured_media":{"alt":null,"id":48914176213309,"position":5,"preview_image":{"aspect_ratio":1.0,"height":740,"width":740,"src":"\/\/saratogaoutdoors.com\/cdn\/shop\/files\/SW016361001-ALT2.avif?v=1768929492"}},"requires_selling_plan":false,"selling_plan_allocations":[]}

Recently viewed

Smartwool Men's Classic Thermal Merino Base Layer Bottom