TechDown 600 - 600 fill-power down insulation, offering warmth in a soft, compressible pack for everyday cold-weather wear. Heat Rating - Laboratory tested to -40°C. Health & physical activity, exposure time & perspiration will affect performance & comfort Waterproof - Tested to 5,000mm, suitable for moderate rain Breathable - The fabric allows perspiration to pass out of the garment, keeping you cool and comfortable. Rated at 5,000g Taped Seams - All seams are fully taped to create a complete waterproof seal, preventing water from seeping through and offering reliable protection in wet conditions Longer Length - Sits below the hips for added comfort and warmth Down Filling - Traps heat and retains warmth, perfect for keeping you cosy in cold weather PFC-free - made without intentionally added PFAS Inner Storm Cuffs - Ribbed inner cuffs close around your wrists to keep draughts out