1) Calf 2) Glove material 3) Leather 4) Soft leather 
Calfskin is a leather or membrane produced from the hide of a calf. Calfskin is particularly valuable because of its softness, and fine grain, as well as durability. It is commonly used for high-quality clothing, shoes, wallets and similar products, as well as traditional leather bookbindings. In Spanish, the word is `Novillo`, referring to leat.....
• (n.) The hide or skin of a calf; or leather made of the skin.
Calf'skin` noun The hide or skin of a calf; or leather made of the skin. 
A leather created from young cows, designed to be extremely soft and plush to touch.