The Bionic 5 by JB Goodhue is made with premium grade materials and bench-crafted for durability. Every pair is stitched to last, ensuring your boots work as hard as you do. -Premium Leather Upper -Padded collar & Leather tongue offers extra comfort -Double rivet D-ring lacing system -LENZI® composite plate for added flexibility -Off centre last mimics the natural shape and rotation of your foot -Extra long heel counter provides torsional stability -Extra deep toe area accommodates orthopedic devices -200g Thinsulate® insulation -Cambrella lining, engineered to add comfort, durabililty & moisture management -Rocker design offers extra toe spring and requires less energy to walk -Helcor® high abrasion toe & heel guard for added wear protection -WELTREK II® Goodyear welt construction -Outsole: aggressive lug, oil resistant rubber with lightweight PU midsole -43 oz per 1/2 pairs -Slip Resistant: SATRA TM144:1994