An average shoe consists of the upper, tongue, heel, and what other part that gets walked on?
Earth shoe being produced at this time. They are not to be confused with the Earth shoe brand sold by WalMart et al, as only the Kalsø Earth Shoe features the Negative Heel Technology. Earth shoe The "Earth Shoe" (also known as the "Kalsø Earth Shoe") was an unconventional style of shoe invented in the 1970s by Danish yoga instructor and shoe designer Anna Kalsø. Its unique Negative Heel Technology design featured a sole that was thinner at the heel than at the forefoot, so that when wearing them, one walked heel-downward at -3.7º, as when walking in sand, with various claimed
Venetian-style shoe Venetian-style shoe Venetian-style shoes (venetian-style loafers) are mid-heel slippers with an upper or top part that is slightly open to the kick of the foot and the ankle bone. The venetian-style shoe and its lack of ornamentation contrasts with the loafer which may have slotted straps, vamps and even tassels. The term came from Great Britain. Loafers are "slip-on shoes with a moccasin toe construction and slotted straps stitched across vamps". A loafer may even be "decorated with metal chains or tassels". A penny-loafer has a "tongue and strap". By the 20th century, the slip-on loafers were common male footwear.