Thermals

Heavyweight, fleece backed, body hugging legging with natural wicking properties. CONTENT: 85% Nylon, 15% Elastane https://www.nils.us/fitting-room

The UltraGear Bottom is designed to provide dynamic movement and base protection on your best adventures. Flat seam construction creates a sleek, comfortable fit, while an elastic waist keeps your...

Built for warmth and comfort, our UltraGear ¼ Zip provides the foundation for your winter setup. A ¼ zip closure and chin protector offer wind protection, while elastane knit construction...

Base Fabric: 88% Polyester, 12%Elastane 2-way Stretch Jersey KnitSecondary Fabric: 100% Polyester100wt FleeceFit: Regular Size Guide

Whether worn as a winter base layer, or a cool-weather pant, the UltraGear Bottom has the versatility to handle any adventure. We created it with elastane and double-knit fleece keeps...

Made just for babies, these pull-on pants are made of warm, soft 100% recycled microdenier polyester fleece and can be worn alone or as a midlayer. Made in a Fair...

A cozy crewneck made of soft, warm and quick-drying 100% recycled microdenier polyester fleece; can be worn alone or as a midlayer. Made in a Fair Trade Certified™ factory. 100%...

Comfortable and adaptable, these midweight bottoms are perfect for layering, outdoor sports, or everyday cold-weather wear. Designed for high-output cold-weather performance, the Men's Active Stretch Bottom combines four-way stretch with...