... .Middle Sole Steel Plate. 4.Comfortable and Sweat Absorptio Labor Safety Shoesspecifications:1.Rubber/PU/PVC/ Leather,color as customer's ... , Capacity of a 20' container: about 3200 pairs.More details: Safety ShoesFunction: Waterproof, wear-resisting, anti-smash, anti-hit, anti-slip ... SB,SBP,S1,S2,S3 standard higher temperature resistant labor safety shoes/welding safety shoe/Labor protective shoes