Uppers: PVC and specialized materials Out sole: PVC+Nitrile Lining: easy dry chemical fabric Quarter height(AVG):300mm,330mm,390mm Weight:1.82-2.45kgs/pairs Size: EUR 38-47 USA 4-13 Model Number:GS-8263 Color: required Gender: unisex Feature: steel-toe and steel plate is supported. Brand Name: Ruikelun Place of origin: Tianjin, China(Mainland)