Smartwool Men's All-Season Merino Base Layer Bottom

MSR PocketRocket® Stove Kit

Under Armour Men's Packaged Base 3.0 Legging - Black

From Icebreaker, these midweight merino base layer bottoms are designed to help regulate temperature during high-intensity activity. The 260 ZoneKnit™

Icebreaker Men's 200 ZoneKnit Base Layer Pants

Men's Baselayer Bottoms

Icebreaker Men's 200 Oasis Legless Base Layer Bottoms

Ripzone Men's Peak Baselayer Top

Icebreaker Men's 200 Sonebula Long Sleeve High Neck Shirt

Smartwool Women's All-Season Merino Base Leyar Bottom

Men's Baselayer Bottoms

Smartwool Men's All-Season Merino Base Layer Bottom

Men's Baselayer Bottoms

Icebreaker Men's 200 Sonebula Long Sleeve High Neck Shirt

Holiday Gift Guide

Men's Underwear and Baselayer

UA Base is a system of baselayers, numbered from 2.0 to 4.0, that takes you from cold to absolutely freezing temps. It's constructed using a special

Under Armour Men's Packaged Base 2.0 Legging - Black