Smartwool Classic All-Season Merino Base Layer Long Sleeve Men's Belay Devices Custom Fit - More precise

Custom Fit - More precise than holes

The extremely resistant polyester fiber is woven tightly crosswise

Presta & Schrader Compatible

This parka is made with Italian wool laminated to a water and windproof membrane that hides behind a flattering cut

Locking carabiners (non-weight bearing) attach to spike or head

Smartwool Classic All-Season Merino Base Layer Long Sleeve Men's Belay Devices Custom Fit - More preciseSpring skiing or summer camping? The year round Men's Classic All Season Merino Base Layer Long Sleeve is game for either. With our Core Spun technology, we've wrapped lightweight Merino around a nylon core for added durability, while still keeping the comfort of ultra soft, responsibly sourced Merino next to skin. We added smooth flatlock seams to help minimize chafing and offset shoulder and side seams to lie smoothly beneath pack straps. No matter