Base Layer

Uh-oh. Base layer separates game just got a little more fun! In fact, the mad scientists at Airblaster may have just brought the whole category back from the dismal grave of gloomy color, with an electrifying jolt.

This turtleneck is a game-changer and wardrobe-maker. Why? Because it's made with 100% ZQ-certified Merino wool! That means it's warm, cozy, breathable, and odor-resistant. So you can get out and do what you love with comfort and confidence.

Inspired by the infinitely complex fractal patterns within snowflakes, every Fractal Lightweight Bottom is aesthetically unique. They share a common construction in our 200gm Signature Blend fabric offering enhanced 4-way stretch, superior breathability a

Versatile, durable Polartec® Power Stretch® Pro base layer pant for mixed output in cold conditions. Our warmest base layer pant.

Lightweight, trim fitting base layer hoody for lower output activities in cool temperatures.

Our Women's Intraknit Merino Blend Thermal Leggings are here to elevate all your high-intensity activities.

Our web exclusive base layer Icecold Gaiter Top in the color Black is back, only available at eivy.co in limited quantity. First come, first served.

The Men’s Core Midweight ¾ Bottom is designed to work in harmony with ski and snowboard boots. With all the technical benefits of a full-length bottom, our midweight 260gm Signature Merino Blend ensures superior breathability, temperature management and u

7000 mt HIGH leggings in DHtech 400 able to guarantee high breathability and consistent body temperature even at 7000 mt above sea level without additional shells. Tight fit, solid black colorway. Suitable for all the sports in cold conditions.