Smartwool Active Ultralite Long Sleeve – Men's gender-men B-DRY membrane blocks water while

B-DRY membrane blocks water while venting sweat — critical when humidity is already working against you

so you stay regulated on the climb and comfortable at the top

O FIT insole is molded to each specific pair for a precise

while the roomy toe box lets your foot splay and move the way it's supposed to

Smartwool Active Ultralite Long Sleeve – Men's gender-men B-DRY membrane blocks water whileBuilt for high output days when you need coverage without the weight, the Active Ultralite is our pick for trail runners and hikers who want merino versatility year round. The ultralight merino blend wicks moisture and kills odor naturally, so you can push hard in Southern heat without that synthetic stench. Flatlock seams keep chafe out of the equation on long efforts. Ultralight merino wool blend delivers breathable, next to skin comfort without the