Smartwool

Meet the Men's Intraknit™ Thermal Max Merino Base Layer 1/4 Zip. This bulk-free, 100% Merino wool thermal layer brings a new dimension to active winter wear. With seamlessly integrated insulation...

This minimalist-style crew is anything but insignificant. Our Men's Intraknit™ Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With...

Bring comfort to every cold weather workout in the Men's Active Fleece 1/2 Zip. Designed with a four-way stretch knit fabric for maximum mobility, soft-brushed Merino next to skin for...

Our Kids' Classic Thermal Merino Base Layer Bottom uses our super-soft interlocking knit—perfect for layering in cool conditions and great for wearing alone on a mild day. Now your kids...

Our Kids' Classic Thermal Merino Base Layer Crew is made of 100% responsibly sourced Merino wool to help your little ones stay comfortable on snow days and activities in the...

Our Kids' Classic Thermal Merino Base Layer 1/4 Zip uses our super-soft midweight interlocking knit. This versatile 1/4 zip tee is great in cool conditions and when you need to...

Anything. Anywhere. That's what our Women's Classic Thermal Merino Base Layer Colorblock 1/4 Zip is made for. The possibilities are endless when you're wearing something this warm and ready to...

Made with 100% Merino wool for natural sweat management, odor-resistance, and temperature regulation. Keep your ski boots, hiking boots, and running shoes free of bulk and friction with our Men's...