This pattern is for knit slippers, but I can totally see using a wool sweater and cutting and serging slippers from it! Home Slippers - DIY. this is knitting, but I bet I could use this to crochet some
Furoshiki is the only sole on the market that wraps around the entire foot. Because the upper is constructed with stretch fabric, it will anatomically fit nicely on any foot type and the hook and loop closure system allows for a quick, easy fit.