Buff EcoStretch Polar Beanie Size:One Size it can also be used

it can also be used as an efficient pump bag for Exped mats

SealSkin pioneered the use of a unique hydrophilic membrane that's 100% waterproof yet pulls moisture away from your skin at the molecular level - keeping you dry and cool all at the same time

Developed for long and ultra distances

Made of high-performance materials for long term durability

Inside the bag

Buff EcoStretch Polar Beanie Size:One Size it can also be usedStretchy and warm, the Buff EcoStretch Polar Beanie is designed with low to medium intensity winter activities in mind. Featuring UPF50 sun protection and 4 way stretch, this breathable and lightweight beanie will keep you toasty when the air has a bit of a bite. Ideal for winter outdoor activities such as trail running, hiking, trekking, and climbing.