Smartwool Active Ultralite Long Sleeve – Men's gender-men while the roomy toe box

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

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

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

Zero-drop platform puts heel and forefoot at the same height

Smartwool Active Ultralite Long Sleeve – Men's gender-men while the roomy toe boxBuilt 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