Men's Intraknit Thermal Merino Base Layer Pattern Crew unisexvarsityretrot-shirt Engineered for technical terrain and

Engineered for technical terrain and ultramarathon distances

Set out on any hiking adventure in the Altra Women's Olympus 5 Hike Mid GTX

and odor resistance of Merino with recycled polyester

Back body seam wraps to front for a body-enhancing fit

100% Merino wool interlock knit delivers thermoregulation

Men's Intraknit Thermal Merino Base Layer Pattern Crew unisexvarsityretrot-shirt Engineered for technical terrain andWonderfully patterned and even more comfortable, the Smartwool Men's Intraknit Thermal Merino Base Layer Pattern Crew uses the latest and greatest technology to help keep you warm as you wander and get active. This Smartwool base layer is 3D mapped for a near custom fit and freedom of movement, while ribbed elbows provide extra flex room. New technology allows us to seamlessly knit mesh ventilation in gender specific zones designed to help keep your