Castelli-exclusive 3-layer allover reflex fabric with 20,000 mm water column waterproofing and 20,000 MVTR breathability Taped seams for fully waterproof construction Cut to fit over normal clothes, longer in front and back for extra coverage No-sew bottom hem for very clean look No-sew external zipper flap Inner gaiter can be closed to seal out drafts or left open for ventilation Velcro wrist closure to effectively seal against glove -2°-15°C / 28°-59°F 319 g (M)