Rubber soleMD Rubber sole:Clear texture design, stable grip on the ground, and non-slip and wear-resistant.Steel Toe Cap Shoes:European standard steel head impact resistance of 200JKevlar Midsole:This steel toe shoes are made of Kevlar, which is a protective fiber material. It can protect feet from being punctured by sharp objects like nails, steel bar.Ultralight safety shoe:It is like the weight of a pair of running shoes. They can help you to work happily all day without exhausting your feet. With super soft insoles and High elastic sole, your feet are safe and comfortable. Flying knit upper is very soft, Keep your feet comfortable and breathable.A heavy pair really sucks for those tortured by hard working days. These flyknit safety shoes never pose any burden to feet due to the overall lightweight system which includes technically advanced flyknit upper and premium rubber sole.Great for those working on industry, auto manufacturing, construction and machine manufacturing.