snow first layer

Behind the product: One-stop shopping for quick-drying, top-to-bottom warmth that's built for the coldest weather.Bundle 'em up in the warmth of a ...

Meet the better-than-ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new ...

Meet the better-than-ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new ...

A year-round favorite, our Classic All-Season Merino Base Layer Bottom works hard to keep you comfortable everywhere, from the ski lifts to the cam...

A year-round favorite, our Classic All-Season Merino Base Layer Bottom works hard to keep you comfortable everywhere, from the ski lifts to the cam...

Spring skiing or summer camping? The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With Smartwools Core Spu...

Spring skiing or summer camping? The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With Smartwools Core Spu...

Meet the new and improved Women's Classic Thermal Merino Base Layer Crew. Smartwool updated this 100% Merino wool fan favorite with new color optio...

Meet the new and improved Women's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan favorite with new color options a...

Meet the better-than-ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new ...

100% Merino. 100% capable. Our Women's Classic Thermal Merino Base Layer B is always ready for what's ahead and what's next. With a fit updated to ...

100% Merino. 100% capable. Smartwools Women's Classic Thermal Merino Base Layer B is always ready for what's ahead and what's next. With a fit upda...

Meet the new and improved Women's Classic Thermal Merino Base Layer Crew. Smartwool updated its 100% Merino wool fan favorite with new color option...

Meet the better-than-ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new ...

Smartwool has updated the fit of their Men's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As...

100% Merino. 100% capable. Smartwools Women's Classic Thermal Merino Base Layer B is always ready for what's ahead and what's next. With a fit upda...

100% Merino. 100% capable. Smartwools Women's Classic Thermal Merino Base Layer B is always ready for what's ahead and what's next. With a fit upda...

This minimalist-style crew is anything but insignificant. Smartwools Women's Intraknit™ Thermal Merino Base Layer Crew is a lightweight, super-move...

With floral patterns and even more functionality, Women's Intraknit™ Thermal Merino Base Layer Pattern Crew is engineered to enhance your performan...

The original Pepper in the Hot Chillys Peppers Collection, Pepper Skins are your standard, dependable thermals. Originally designed with the workin...

These kids' thermal base layer pants have a single jersey knit with slight brushing for a soft, lived-in feel. The MTF polyester fibers of our Pepp...

The original Pepper in the Hot Chillys Peppers Collection, Pepper Skins are your standard, dependable thermals. Originally designed with the workin...

The original Pepper in the Hot Chillys Peppers Collection, Pepper Skins are your standard, dependable thermals. Originally designed with the workin...

These women's thermal leggings have a single jersey knit with slight brushing for a soft, lived-in feel. MTF polyester fibers work to transport moi...