The Sitka Jetstream Insulated Beanie is a small but high-performance essential designed to battle wind and cold with impressive efficiency, featuring PrimaLoft® Silver insulation that traps warmth and WINDSTOPPER® by GORE-TEX LABS to block chilling gusts and resist light precipitation. Built for comfort and field awareness, it incorporates sound-permeable fabric over the ears to maintain clear hearing, while stretch knit panels across the back three-quarters of the head provide a secure, flexible fit that stays comfortable all day. Lightweight, warm, and purpose-built for harsh conditions, the Sitka Jetstream Insulated Beanie delivers dependable protection in a compact, easy-to-pack design.