Specifications 20 l 1300 g 27 x 56 x 14 cm liteshield back protector the evoc liteshield back protector combines maximum protection against falls and a feather light highly effective construction with a great deal of flexibility at the same time it is completely impervious to temperature sizing torso length s 38 43cm m 44 50cm xl 51 56cm liteshield system the core component of the protector backpack system is the extra wide ergonomically shaped neoprene hip belt with velcro f