This is made of a thick blend of materials including acrylic, polyester, wool, and virgin wool. Zips up the back. Brand New by Benetton, and sizes listed are Benetton equivalent Size 4 waist laid flat 14.5 in, hips 20 in, length 30 in Size 6: waist laid flat 16 in, hips laid flat 21 inches, length of 33 in Size 8 is 16.5 in flat across the waist hips laid flat 21 in, length 32.5 in Inventory number 100 and rack