~ Tapak Red Wing HITAM ~ Made from rubber sponge. The material of sole exactly same as Red Wing ~ The weight is light, 1pair around 460g. After cut according to your shoes size will be lighter somemore ~ Good Quality Guaranteed Two size available: M (31 cm) L (31.5 cm) *Please ensure the size you choose is bigger than your original outsole to ease the cobbler works. Because the cobbler need to cut and sand nicely. *Please measure the length of sole before you purchase to avoid incorrect size.