Blue Tongue boots Size: men’s 11 Condition: EUC! Normal wear. Features of Blue Tongue 6" Station Slip-on Boots Height: 6” Weight: 40 oz Upper: Full Grain Leather Outsole: Thermo Plastic Polyurethane Traction: Oil / Acid / Slip Resistant Protection: EH Certified Construction: Direct Attach 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