Knee boots:made from natural rubber, molded sole, neoprene lining, adjustable strap and V-gore We are Hangzhou Rubber Footwear Factory with 30 years expirience involving in the footwear manufacture. We can supply many kinds of footwear i.e. rubber boots&shoes, bean boots, children boots and also some fishing tackles i.e. chest wader, hip wader and life vests and so on. Our website: You can view it and notify us the items you interested in by email. Also you could inform us your designs for footwear to see if we can produce them.