1/8" Natural wool shoe inserts!! Buy for existing pairs or add to a new order!! For sweaty feet in summer,Will make feet cozy in winter. Covers the seams in the shoes. If shoes are fitting a little looser will help take up some space then take them out when gets warmer out. If buying to add to new pair ,1/2" or little more bigger then foot should still be good unless wearing with thick socks or wide feet may want to add a little bit more.