Chelsea steel toe boots never looked this good. The Valence has SD-35, ASTM Certified, and Non-Slip SR Rated credentials. It features a metal-free upper required in environments with sensitive equipment. The Valence SD has dual elastics and pull-tabs (front tab is hidden for a cleaner look). Each pair is handcrafted in North America with high-performance Onyx Vegan Leather or the responsibly sourced Chestnut Full Grain Leather.