A fiberglass toe cap and cushioned, double density slip resistant sole keeps the Krypton Safety Boot light, flexible and ultra durable, so you can keep stable and comfortable on your feet all day. This oiled full leather Safety Boot features an extra high shaft, a lateral YKK-zipper with a closed dust tongue, TPU Heel Support, and a KickOff in the heel area. It boasts a PU rubber sole with 300 heat resistance, a fiberglass cap, and a flexible FAP midsole. Safety Category: S3 WR HRO SRC.