Twins boxing glovesBGVL-3 are handmade, cow-leather's, for maximun resistance and durability. 8 Oz is used for women's competition. 10 Oz are made for men's competition. While sizes 12 to 18 Oz are for training and sparring. Gloves characteristics : Brand: Twins Model: BGVL-3 100% cow leather. Handmade.in Thailand. Velcro closure Available from 8 to 16 Oz. [Laces closure, 4, 6 and 18 Oz available on order - contact us].