Keep your children dry on hikes with this compact waterproof rain cape. The resistance of a fabric is measured by the height of a water column in mm that can be supported by the fabric (test based on the JIS 1092 standard).The higher the water pressure, the more waterproof the fabric. This clothing was validated in a shower test using 60 L/sqm/hr of water for 1h.This test reproduces the average conditions of a rain shower in the mountainsA component with a 5,000 mm rating can withstand the pressure of a 5,000 mm column of water (equivalent to a 1h-long rain shower).