Men's Steel Toe Metguard Work & Safety Boots 165 insoles Seamless construction makes the boot Size:16 Seamless construction makes the boot 30% lighter insulated heavy duty work boot with abrasion resistant toe protector Sole: Dual density cold temperature Timberland Pro® Thermo Plastic Urethane Outsole Upper: Waterproof leather upper with a waterproof membrane Lining Insulation: Spacer mesh lining with Agion® Antimicrobial treatment and 200g Thermolite® insulation Footbed: Anti fatigue technology absorbs shock with each step while returning energy back to the foot in key zones These safety boots offer extreme Impact protection under the ball of the foot and the heel absorbs up to 90% of impact helping to provide all day comfort and support with less fatigue Sole: Weatherproof