Upper: Pigmented split leather, S3 water resistant treatment. Lining: Polyamide mesh. Insock: Removable premolded - Polyamide on EVA. Outsole: Injected - PU bi-density. Non metallic footwear. DUAL DENSITY PU OUTSOLE 1- Flex zone 2- V STAB SYSTEM 3- Lateral ladder grips 4- Studded sole, SRC standards. 1- Foot motion improved 2- Reinforced control of foot torsion 3- Secured stabilisation on ladder rungs 4- Good grip on all types of indoor and outdoor surfaces. Fast lacing. Time saving.