Smartwool Active Ultralite Long Sleeve – Men's Size:S and cuffs hold up to

and cuffs hold up to rock

ActiveTemp thermo-regulating treatment helps manage heat buildup during high-output activity — less stopping to shed layers

Double layer of CloudTec Phase™ cushioning provides plush landings and an ultra-fluid rolling transition

no matter the distance

Versatile enough for trail

Smartwool Active Ultralite Long Sleeve – Men's Size:S and cuffs hold up toBuilt 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