MY JAFO is the best Prosthetic Cover on the market. It weighs 10 oz and is removeable with the pull of a zipper. MYJAFO original design was for people with foot drop.Its patented design was created and used since 2001 by the founder who suffers from bilateral drop foot himself. Website:www.myjafo.com,1850Diploma Dr,Suite100 Farmers branch, TX.Ph:347 525 0322