XENA VALENCE SD SAFETY BOOT Black Size 8 Great condition, light for creasing Chelsea steel toe boots never looked this good. Valence has SD-35, ASTM Certified, and Non-Slip SR Rated credentials. It features a metal-free upper required in environments with sensitive equipment. Valence SD has dual elastics and pull-tabs (front tab is hidden for a clean look). Each pair is handcrafted in North America with high-performance Vegan or responsibly sourced Full Grain Leather.