Simms 6-panel, camper-style Guide Windbloc Hat has you covered. Polartec Windbloc® construction with 4-way stretch battles any breeze thanks to a hard-faced, 100-percent windproof exterior. It also dumps moisture, helping you regulate and maintain comfy core temperatures. The Cohaesive cord-lock system cinches down comfort with simple, one-handed adjustments. Additional heads-up features include a deluxe interior grid-fleece crown, a DWR finish, and high-loft fleece earflaps.