Magnum Classic Cen Boot 633g per boot (sample size) Ergonomically designed for out-of-the-box comfort Upper is manufactured from natural leather & hard-wearing nylon Slip-resistant sole which features ladder grips & is also anti-static, acid & alkali resistant Moisture wicking lining & removable/replaceable insole offer everyday comfort all day Tested & certified to European Standard EN 20347 for occupational footwear with SRA slip resistance