These Puma Safety Krypton Safety Boots are designed for all-day comfort and durability. They feature a fiberglass toe cap and a cushioned, double-density slip-resistant sole for stability. The boots are constructed with oiled full leather and have an extra-high shaft. Additional features include a lateral YKK-zipper with a closed dust tongue, TPU heel support, and a KickOff heel area. The PU rubber sole offers 300-degree heat resistance. Safety certifications include S3 WR HRO SRC. The flexible FAP midsole provides enhanced protection. Key Features: - Fiberglass toe cap - Cushioned, double density slip resistant sole - Oiled full leather - Extra high shaft - Lateral YKK-zipper - TPU Heel Support - KickOff in the heel area - PU rubber sole with 300 heat resistance - Flexible FAP midsole - S3 WR HRO SRC safety rating