Exceptionally breathable ExoShell60 3-Layer waterproof fabric. Cordura shoulders with silicone grip and ergonomically positioned stretch panels. Fully seam-sealed. 3D adjustment on hood. Ventilation by large underarm 2 way zipped vent extending onto back. compatible with back pack. Water-repellent Vislon zip with storm flap. Front pockets doubling as vents; Napoleon pocket with media port and glasses wipe. Internal stretch cuff. Adjustable cuff and hem. Reflective on hood. cuff and back .