These luxury Boxer Briefs feature an ultra-soft, breathable, lightweight Tencel Modal that is sustainably sourced, guaranteed to stay smooth and keep you comfortably supported at all times. Our MyPakage Pouch Technology lifts & separates your b
UA Base 4.0 men's cold weather leggings are built for extreme cold weather and lower activity. Their unique pattern traps heat without adding bulk. Think long underwear, revamped for today's top athletes.
UA Base 4.0 Extreme Baselayer is our wa
The Jericho Pant will keep you toasty while out for cool early mornings paddles. Wish they came in your preferred length? Follow the dashed lines and cut to one of the five lengths, plus there is no need for sewing when you're finished cutting them. Desig
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 our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced
All-new Multi-Sport Mesh, featuring a NO-RIDEUP LEG™, Stop Drop Technology™, and the BallPark Pouch® PRO, is a soft and versatile Performance style that keeps everything put, and dry, during sport and daily activities.
This active Boxer Brief base layer offers a snugger feel and a thicker waistband that’s perfect for watersports and those with an active lifestyle. The breathable mesh is optimal for men who require both support and air flow. Plus, they're made from 100%
You can't go wrong with a baselayer that's made from 100% merino wool. The Smartwool NTS Mid 250 Zip Top is here to keep you super warm and comfortable, whether you wear this top alone or as a layer. Featuring shoulder panels and flatlock seam constructio
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.Features
100% Merino - Soft merino fibers that regulates body temperature in all weather conditions
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 negative grid pattern with each individual cell designed to trap heat without adding bulk. Think long unde
With new patterns, a fresh look, and even more comfort, our Men's Merino 250 Base Layer Pattern Crew is being its best self. We've updated this 100% Merino wool fan-favorite with new colors and a new fit to improve functionality while enhancing aesth
Our best-selling base layer bottoms made from soft and breathable 100% merino wool jersey, the 200 Oasis Leggings With Fly are the perfect foundation for your cold-weather layering.Features
100% Merino - Soft merino fibers that regulates body te
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% merino wool.eatures
100% Merino - Soft merino fibers that regulates body temperature in all weather con