THERMALOCK: Our fabric technology features air-permeable protection that’s waterproof and breathable. It provides excellent wind and waterproof protection, keeping mother nature's elements out, at the same time allowing the inside to breathe. SEALED SEAMS offer maximum water & wind protection ADDED COMFORT: back vent for added breathability with mesh liner HANDY FEATURE: Zipper Hand Pockets and adjustable cuff and hood closure LIGHTWEIGHT AND PACKABLE: This versatile rain shell is so compact it can be stored and kept at the ready, stuffed in its own hand pocket anytime.