The Sun Mountain Monsoon jacket is constructed with a waterproof fabric which features a 15K-rated waterproof membrane with mechanical stretch A 15K waterproof rating is suitable for serious spells of heavy, intense rain over a prolonged period Available in a range of colours and sizes Fully seam-sealed Mechanical stretch for increased freedom of movement Zipped hand warmer pockets with storm flaps Packable - Jacket stows away in its own pocket Wind resistant Extremely lightweight Adjustable around the waist Pair up with our Sun Mountain Monsoon waterproof trousers