The waterproof composite toe Wolverine Merlin W10257 is built as tough as you'd expect from a Wolverine boot. The waterproof membrane lines the interior of the boot to make sure your feet stay dry all day. The ASTM rated composite toe helps protect your toes from crushing hazards all day. The amazingly flexible yet soft lining and polyurethane insole keep you feeling great and allow your feet to remain in comfort. This shoe is airport security friendly and as lightweight as a safety shoe can get. The Wolverine Merlin W10257 is EH rated for protection against electrical hazards. This is a slip resistant boot.