Merino Wool

Built to fit, flex, and follow you like a shadow, our Women's Intraknit™ Thermal Merino Base Layer Bottom uses our innovative 3D knitting technology to create our most insulated, ventilated, and flexible base layer bottoms ever. These women's wool pants feature Merino Sport yarn to offer the power of Merino paired with the durability and fast dry times of polyester — perfect for skiing, running, and all your high-intensity training.

Change can be a good thing! Smartwool has improved the fit on our 100% Merino bottom with new side seams and a curved seam in the back that provides a slimming effect, while reducing sag and excess fabric. Their Women's Merino 250 Baselayer Bottoms are designed to keep you doing what you love while staying comfortable, helping with temperature regulation and wrapping you in unbelievable softness.

Versatile year-round base layer bottoms made with 100% merino wool and a slim fit, our 175 Everyday Leggings offer premium breathability, odor-resistance and next-to-skin comfort. Made in the mountains rather than in a petrochemical laboratory. Merino wool fibre is naturally renewable, recyclable and biodegradable.

Ultra-comfortable sweat shorts for relaxation and recovery, the Crush Shorts feature luxuriously soft merino wool terry fabric. With the soft merino fibers, they will help regulate the body's temperature, no matter weather conditions while also resisting odors.

Icebreaker's best-selling base layer bottoms made from soft and breathable 100% merino wool jersey, the 200 Oasis Leggings are the perfect foundation for your cold-weather layering. With the soft merino fibers, they will help regulate the body's temperature, no matter weather conditions while also resisting odors.

Icebreaker's best-selling base layer bottoms made from soft and breathable 100% merino wool jersey, the 200 Oasis Leggings are the perfect foundation for your cold-weather layering. With the soft merino fibers, they will help regulate the body's temperature, no matter weather conditions while also resisting odors.

Incredibly warm merino base layer bottoms with a unique jacquard pattern, the 250 Vertex Leggings Fractured Landscapes are a go-to piece for winter layering—ideal for skiing, snowshoeing and other cold-weather pursuits. The original jacquard-inspired print artwork by Nathan Dunn draws inspiration from the natural cracks and angular shapes found in rock formations.

Midweight base layer bottoms perfect for skiing, winter hiking, or cold-weather layering, the 260 Tech Leggings are a warmer version of the best-selling Oasis Leggings, made with 100% merino wool.

Technical, cold-weather base layer bottoms for highly aerobic days, the 260 Zone Leggings feature zoned ventilation panels for active temperature regulation and ample breathability.

Lightweight women’s merino wool base layer bottoms with strategically placed mesh panels for active ventilation, the 200 Zone Leggings are perfect for year-round use.