Arcteryx Psiphon SL Pullover - Men's Ultra compact and lightweight, packs down smaller than the average climbing shoe Nylaz air permeable softshell for durability and elastane for stretch Deep front zipper for easy on/off, rapid ventilation Helmet compatible hood with single hand adjustment is stowable, windproof, water resistant Laminated chest pocket Stretch cuffs are gusseted and can be pulled up to the forearms while climbing