Made with Croslite® material that relieves pressure on feet, legs and back. Enhanced arch support and footbed circulation nubs ensure all-day comfort. A heel strap increases support and performance. Fully Molded Dual Density CROSLITE Construction Pivoting Heel Strap Can Be Worn On Heel Or Worn Forward On Vamp Designed For Work Environments, ASTM F2913-11 Tested The CROSLITE Footbed Provides Impact Absorbing Comfort Lock Slip Resistant Tread