Mizuno impermalite flex rain jackets mizuno impermalite fabric laser cut and heat welded pockets waterproof membrane the mizuno impermalite flex rain tops gives laser cut and heat welded pockets with waterproof which provides complete water protection these pockets has zippers with sliders for lock flat to the garment the triple bonded softshell fabric provides complete water wind protection with superior breathability and gives comfort and performance with 2 years guarantee