Smartwool Merino 250 Balaclava daily-trainer and more — in sizes

and more — in sizes Small through Large

A virtually seamless toe rounds things out for blister-free miles in the field

Classic cuffed silhouette fits a wide range of head sizes across Small/Medium and Large/X-Large options

Fit for the Water

Available in regular inseam

Smartwool Merino 250 Balaclava daily-trainer and more — in sizesBuilt for cold weather runners, skiers, and winter hikers who need reliable face and neck coverage without bulk, the Merino 250 Balaclava is our top pick for serious cold weather outings. Double layered 100% Merino wool manages moisture from breathing and locks in heat, while a smooth interlock knit sits next to skin without irritating. It slips cleanly under helmets and hoods with zero bulk. Double layered 100% Merino wool construction delivers