Rains 'Storm' Grey Polyester Breaker Jacket Size M: water column pressure: 4000mm, waterproof rating: w3 � waterproof protection from light rain, two-way waterproof zip closure, drawstring hood with cap brim, elasticated cuffs, double welded front pockets, double welded seams, adjustable part-reflective drawstring hem, weather-resistant hardware, measurements: 18 inch bust x 30 inch length.