Thermals

Our lightest base layer with the added boost of HeiQ tech in a slim fit. Light, versatile, and casual, the women's Lightweight Base Layer Crewneck does all the stuff a...

Midweight synthetic comfort with built-in odor control. Go-to versatility for all your layering needs. The women's Roadie Base Layer Tech T-Shirt balances breathability and quick-drying performance with a non-tech look...

The best kids’ base layer on the market uses a clever 2-layer construction to keep active youth dry and warm. Our LIFA® technology wicks away moisture while soft merino wool...

The perfect combination of Merino and LIFA® make these base layers durable and warm. Our warmest base layers, LIFA® Merino is a staple with professional athletes and a favorite with...

The Men’s LIFA® Merino Knitevo Half-Zip is engineered to adapt to your intensity when the temperature drops. We combined our LIFA® Merino technology with ZQ-certified Merino wool to wick away...

The versatile LIFA® Merino Midweight Crew Base Layer adapts to any type of cold weather. We combined a 100% Merino wool layer with our proven LIFA® Stay Warm Technology in...

Our LIFA® Merino Midweight collection is perfect for any type of cold weather activity. We combined a 100% Merino wool layer with our proven LIFA® fiber technology in a 2-layer...

LIFA® ACTIVE is a performance base layer, delivering superior moisture management and lightweight insulation for all your outdoor activities. The LIFA® ACTIVE Crew has an advanced 2-layer construction with 100%...