Perfect everyday chaps Soft and stretchy Amara synthetic suede material. Smart and comfortable to wear. Reinforced inner calf for added protection Durable YKK zipper closure Press stud closure at top and bottom. Reinforced rubber foot strap to keep the chaps in place. Hy Kids Manufacturer Size Guide (Calf Circumference/Length cm): Small (24-28/28), Medium (27-31/31), Large (29-33/33), X-Large (30-36/33).