FXD WB.1WP HIGH CUT WATERPROOF COMPOSITE TOE HIGH PERFORMANCE WORK BOOTS FEATURE FXD’S NITROLITE™ MIDSOLE TECHNOLOGY FOR ALL DAY COMFORT. SAFETY STANDARDS: ASTM F2413-18 M / I / C / EH Impact Resistant Compression Resistant Electrical Hazard Certified FEATURES: High Cut 6" Work Boot Fully WATERPROOF HBR® membrane, internal sealed seams and waterproofed stitching. FXD NITROLITE™ phylon midsole provides all day comfort by limiting foot and leg fatigue. SRA rated slip/oil/heat resistant rubber sole rated to 300 degrees Celsius and 572 Fahrenheit. Airport friendly composite safety toe. Bump Cap has an extra 1.5mm of TPU added for increased durability. Angled 10-gauge YKK™ coil zip for easy entry and safe emergency removal. Ballistic high abrasion resistant stitching. High traction ladder grippers built into the sole. Coolmax® lining is moisture wicking and accelerates drying for comfort and breathability. Padded achilles support insert. Powerstrap locks down the heel for increased comfort and reduced foot fatigue. Silicone reinforced padding for impact protection. Poron® heel insert provides additional cushioning and helps prevent heel strike injury. Browse our entire range of work boots.