Base Layer Clothing

Our Women's Intraknit Hipster underwear are all about helping you feel your best. They are seamless knit and put responsibly sourced Merino next to...

A warmer, midweight version of our best-selling Oasis, the 260 Tech Long Sleeve Half Zip is a go-to piece for winter layering, made with 100% merin...

Our versatile baselayer design in a midweight, zip-neck design, the updated 260 Tech Long Sleeve Half Zip is a go-to foundation for cold-weather la...

We always think your first layer should be Merino. So upgrade your undies to our Women's Intraknit Bikini. Merino wool comes with a lot of natural ...

Our versatile, go-anywhere shirt made from breathable 100% merino wool jersey, the 200 Oasis Long Sleeve Crewe is our best-selling base layer top.

Classic boxer briefs made with a stretchy slim fit and our corespun fabric, the Anatomica Boxers are supportive and comfortable for daily life and ...

Your classic bikini underwear, with some big improvements. These are made with TENCEL Lyocell - an eco-friendly wonder-fabric that naturally wicks ...

The Women's Movmynt Bra is made with moisture-wicking FlashDry fabrics and power-mesh panels for enhanced breathability. Design details like remova...

The Cloud Nine Tight is the ideal piece for all day warmth and comfort while being out in the elements. This versatile piece features an ultra-soft...

The Cloud Nine Performance Scoop is the ideal piece for all day warmth and comfort while being out in the elements. This versatile piece features a...

The Below Zero Performance Tight is the perfect piece to keep you warm. The extra durable four way stretch provides support and ease of movement in...

The Below Zero Crew is the perfect piece to keep you warm. The extra durable four way stretch provides support and ease of movement in all directio...

Our Terramar Everyday Essentials Leggings are a great combination of comfort and warmth. Seamlessly made, these leggings are brushed on the inside ...

The Thermolator Pant is the ideal piece for all day warmth and comfort while being out in the elements. This versatile piece features an ultra-soft...

The Thermolator 2.0 Crew Neck Top is the ideal piece for all day warmth and comfort while being out in the elements. This versatile piece features ...

Originally produced to meet US Army specifications, our Military Fleece Pant has become a favorite of hunters, fishermen and other outdoors people ...

Originally produced to meet US Army specifications, our Military Fleece Crew has become a favorite of hunters, fishermen and other outdoors people ...

Originally produced to meet US Army specifications, our Military Fleece Crew has become a favorite of hunters, fishermen and other outdoors people ...

Meet the new and improved Women's Merino 250 Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new color options and an enhanc...

Change can be a good thing. We've improved the fit on our 100% Merino bottoms with new side seams and a curved seam in the back to help provide a s...

We've updated the fit of our Women's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of ...

Our Women's Merino 150 Base Layer Bottoms are the perfect layer to put on for your warm weather adventures. Made of lightweight, breathable Merino,...

Meet the better-than-ever Men's Merino 250 Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new fit to impro...

We've updated the fit of our Men's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of ou...