1.Upper Material:microfiber PU Leather-durable,breathable,soft,clear texture 2.Outsole Material: high quality rubber-durable, anti-slip 3.Safety Steel Toe-anti smashing 4.Lining: soft, breathable net cloth-soft,comfortable 5.Soft steel midsole-protect the foot 6.Fashion pure cotton knitted shoelaces 7.Italian Stitches-smooth uniform 8.Sizes: 35-48# 9.Color:Black 10.For industries: metal, glass, making boats,Chemical, power industry etc.