Amazon.com: Timberland PRO Men。Timberland PRO A2N17 - Men\'s - Radius Knit EH Composite Toe - Black/Yellow DESCRIPTION Don\'t let the comfort and convenience of these slip-on work shoes fool you. They\'re as tough as your job site demands, with composite safety toes, electrical hazard protection, a lightweight HoverSpring™ foam midsole, and a comfortable stretch lacing system that locks your feet in place. Asymmetrical composite safety toe Electrical Hazard Protection Metal and mutilation free Timberland PRO® Flex Technology outsole featuring anatomically positioned flex grooves Mark II oily wet #3 on American Olean tile at .55 Lightweight Hover Spring™ foam midsole provides industry leading underfoot comfort, flexibility and durability Anti-Fatigue Technology polyurethane footbed for shock absorption and energy return Slip-on knit upper and stretch lace system to comfortably lock your foot in and provide comfort and support Breathable and moisture-wicking lining with anti-microbial treatment for odor control Breathable, durable knit upper with abrasion-resistant reinforcement Washable knit upper Cement construction for flexibility PRODUCT FEATURES Athletic Composite Toe Electrical Hazard Extended Sizes Oil Resistant Scratch Resistant Slip Resistant Slip-On