Base Layers

Under Armour took everyone's favorite cold-weather baselayer and made it even softer with a double-sided knit that eliminates the fuzzy underside while maintaining the same game-changing warmth. Lightweight knit ColdGear fabric is breathable &...

8.0 oz. 100% Performance Polyester formulated with Silvadur™ Technology Inside 100% Cotton Outside. Imported Machine Wash Heavyweight raschel knit fabric for classic weight and warmth, updated with odor control Features Silvadur(TM) technology...

8.0 oz. 100% Performance Polyester formulated with Silvadur™ Technology Inside and 100% Cotton Outside

Layer yourself with exceptional comfort in the relaxed-fit Hot Chilly® Kids Pepper Bi-Ply Crew Neck. Thismidweight, versatile top offers medium warmth for solid, cold-weather base layer wear or standalone cool-weather comfort with a moisture-wicking...

Feel daring as you make your way down the hills in the sporty Hot Chillys® Kids Pepper Bi-Ply Bottom. These semi-fitted performance pants are designed with mid-weight warmth to be worn as a base layer wear or standalone for cool-weather comfort...

Your go-to for classic base layer, Micro-Elite Chamois is synonymous with the Hot Chillys ® brand. The descendant of the first technical baselayer created in 1984, ME Chamois has developed a reputation for being the most reliable, durable baselayer made...

Like the spicy habanero, heat things up with the Bi-Ply Bottom. Two-layer knit traps air between the layers to keep body heat in. Moisture wicking properties push perspiration away from the body and towards the surface for rapid evaporation. Lightly...

Combat chilly mornings and cold evenings in the Hot Chillys® Pepper Skins Crew Neck. Pepper Skins were originally designed with the working professional in mind as a warm base layer, but they can be worn in any situation where a single warm long sleeve...

Crew neckline with self-binding Features 8K flocked logo HOW to MEASURE CHEST / BUST: Measure at the fullest part of the chest and bust, under the armpits and over the shoulder blades, keeping the tape measure firm and level. WAIST: Measure...

Your go-to for classic base layer, Micro-Elite Chamois is synonymous with the Hot Chillys ® brand. The descendant of the first technical baselayer created in 1984, ME Chamois has developed a reputation for being the most reliable, durable baselayer made...

200 GSM 4-oz. 100% polyester Rugged Flex® 4-way stretch fabrication FastDry® wicking technology Waffle-knit interior Anti-odor properties Flatlock seams Concealed Y-stitch waistband Pass-through fly

Under Armour base layers were originally designed for athletes but hunters quickly discovered they were perfect for their pursuits, especially when covering a lot of ground. Snug-fitting like a second skin, they are warm, breathable and comfortable...