Fit and Design: Standard fit balaclava Single layer Interlock knit construction Offers both comfortable face protection and tremendous peripheral vision Technology: Smartwool Merino 250 fabric offers breathable warmth, moves sweat away from the body, and provides next-to-skin comfort in colder conditions Additional Details: Weight: 50g / 1.76oz Machine wash cold gentle cycle Dry clean Do not bleach Tumble dry low Cool iron as needed