Descente Shelter Tri-Comp fabirc; stretch, waterproof, fleeced lined in all critical areas Sublimated for a great look Descente Thermal SPY (Stretch Polyester Yarn) in non critical areas for great breathability Reflective zipper with draft flap and Descente Zipper pull Zippered back pocket with protective trim tape Zippered sleeves Descente reflective trim tape across back with reflective ribbon on the raglan seams