REDBACK Style Name: Easy Escape Sku: UBBK Color: Black Oil Kip Weight: 38 oz Height: 6 in Upper: Full Grain Leather Outsole: Thermo Plastic Poly-Urethane Traction: Oil / Acid / Slip Resistant Protection: EH Certified Construction: Direct Attach Country of Origin: Australia FULL GRAIN LEATHER UPPER We source only industrial grade premium full grain leather that comes from the hides tightest grain section. These leathers are the strongest and most durable. OIL / ACID / SLIP RESISTANT Our Thermo-Plastic Poly Urethane (TPU) outsoles are certified to exceed OSHA requirements for oil and slip resistance ANATOMIC SUPPORT SYSTEM Unlike traditional boots, Redback's unique Anatomic Sole cradles the foot to reduce arch sagging and prevents foot strain, fatigue and related leg and back pain. AIR CUSHION MID-SOLE Two-component Urethane Air-Cushion mid-sole contains millions of tiny air bubbles to enhance shock absorption, energy return and contributes to an overall lightweight design