Heavywear Advanced comfort safety shoe Upper Full Grain Leather with synthetic tongue and collar 4-pair corrosion-resistant D-ring lace-up Padded collar for additional comfort and support Padded bellows tongue to improve comfort and prevent debris for entering the boot Reflective tape in quarter and forepart to increase visibility in low light conditions Lining Tongue and quarter lining are from an Industrial Ferabelle material laminated to foam for improved comfort Vamp lining is from a Hi-tech needle-fibre for excellent perspiration absorbency In Sock Anti-static, non-woven in-sock with Poron inserts at the ball and heel of the foot for enhanced comfort and support Top Sock Poron / EVA top sock from a combination of wool and polyester, with excellent perspiration absorbency and bonded to a layer of EVA, with Poron inserts at the ball and heel of the top sock. Midsole Anti-penetration midsole available-21618 Toe Cap Steel – extra wide fitting Sole Dual Density PU/PU with SRC slip resistance rating (Heat-resistant up to 95°C) EN/ISO 20345