Men's Intraknit Thermal Merino Base Layer Pattern Crew unisexvarsityretrot-shirt Stack Height:23mm (heel) // 20mm

Stack Height:23mm (heel) // 20mm (forefoot)

100% Merino wool interlock knit delivers thermoregulation

Engineered for technical terrain and ultramarathon distances

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

Men's Intraknit Thermal Merino Base Layer Pattern Crew unisexvarsityretrot-shirt Stack Height:23mm (heel) // 20mmWonderfully 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