Smartwool Thermal Merino Balaclava Size:OS ZipFoam midsole with 38mm stack

ZipFoam midsole with 38mm stack height and 5mm drop delivers plush cushioning and responsive rebound over long miles

or trail pants — fitted without being restrictive

Patented footbed cradles your arches and reduces stress across the entire kinetic chain after hard efforts

Push-Pull Blast Valve cap delivers fast

B-DRY Waterproof/Breathable: There's no denying feet sweat and trails can get muddy

Smartwool Thermal Merino Balaclava Size:OS ZipFoam midsole with 38mm stackWhen temperatures drop and wind picks up, this is the balaclava we reach for on cold weather runs, hikes, and winter hunts. Double layer 100% Merino wool construction delivers natural warmth and moisture management without the itch or odor synthetic fabrics can't shake. It layers cleanly under hoods and helmets without adding bulk. 100% Merino wool regulates body temperature naturally warm when it's cold, breathable when you're working hard Double