Kids will love the one, the only, the original Moon Boot® Junior! ; Nylon shell to keep the elements out. ; Full-length wraparound lacing with an adjustable collar. ; Soft textile lining will keep feet toasty warm. ; Synthetic outsole for traction and stability. Measurements: ; Weight: 1 lb ; Circumference: 16 in ; Shaft: 10 1 2 in ; Product measurements were taken using size 31/34 (US 13-2.5 Little Kid), width M. Please note that measurements may vary by size.