Smartwool Active Ultralite Skullcap Color:Black PurgeAir™-equipped: Our unique and waterproof

PurgeAir™-equipped: Our unique and waterproof PurgeAir valve vents trapped air

Easy to Fill: 10 -liter reservoir is easy to fill at sinks and streams alike

our 20-liter bucket is nearly indestructible and ready to work

full-sock cushion for heavier loads and higher-volume footwear

Made from 80 % pure new Norwegian wool

Smartwool Active Ultralite Skullcap Color:Black PurgeAir™-equipped: Our unique and waterproofWhen you were a kid, did they tell you that you lose most of your body heat through your head? Whether thats fact or fiction, its better to be safe than sorryand far better to be comfortable than not. Thats why our Active Ultralite Skullcap, which is made with a blend of Merino wool and TENCEL Lyocell fibers, this performance fabric is a great choice for your next cold weather activity, whether its snowshoeing to a mountain hut or ice skating in the