... put off. The protection areas including: chest, lower abdomen, shoulders, arms, forearms, knees, thighs, legs, feet and crotch.Materials: Canvas + ... m21.Chest, Abdomen and Groin: ≥0.12.back: ≥0.13.Arms :≥0.184.Legs :≥0.30Resistance capabilityVelcro: >7.2N/cm2Buckle: >500NJoints ... steel ball of 7.5kg to impulse the chest and arms parts continuously from 163cm height(≥20J).Anti-impact testingThe back ...