Ultra tough polyester/nylon shell with fixed Castle ColdShield quilted insulation (200g body/150g sleeve)Ven-Tex 1.0 windproof, waterproof, breathable coated shell materials and DWR (durable water resistant) outer surface treatment repels moistureDouble stitched seamsVentec zippered underarm vents with snow blocker mesh3M Scotchlite Reflective materials
