The Helium UL Jacket blends Toray Dermizax(TM) 2.75-layer waterproof fabric and fully seam-taped construction to deliver ultralight, breathable protection for hiking, trail running, and travel. Ultralight, Packable Protection for Unpredictable Weather The Helium UL Jacket is built for fast-moving pursuits in unpredictable weather, delivering ultralight, waterproof, and windproof protection for hiking, trail running, and travel. Made with Toray Dermizax(TM) 2.75-layer fabric and fully seam-taped construction, this jacket provides ultralight, reliable waterproof performance and breathable comfort during high-output activity in unpredictable weather. An adjustable hood with a brim wire offers dependable coverage, while YKKA(R) AquaguardA(R) zippers and shaped, bonded cuffs with partial elastic seal out the elements. Reflective logos improve low-light visibility, and the chest pocket doubles as a stuff sack for easy, compact storage on the go. Fabric Performance: Breathable Fully Seam Taped Ultralight Waterproof Windproof Design Features: Adjustable Hood with Brim Wire Chest Pocket Doubles as Stuff Sack Elastic Drawcord Hem Reflective Logos for Visibility Shaped and Bonded Cuff with Partial Elastic YKKA(R) AquaguardA(R) Center Front Zipper YKKA(R) AquaguardA(R) Zip Chest Pocket Fabric Toray Dermizax(TM) 2.75L 100% Nylon 15D Ripstop 61 G/M2 Shell Center Back Length 73.7 cm / 29.0 in Weight 5.7 oz/ 162 g