Tecnica Moon Boot Vinil in White and Black from Robert Frost Fine Footwear and www.frostshoes.com. Enjoy a fabulous twist on the original Moon Boot® with the Vinil. Vinyl shell to keep out all that unwanted weather. Full-length wraparound lacing with an adjustable collar. Soft textile lining will keep feet toasty warm. Synthetic outsole for traction and stability. The shaft measures 15 inches and the circumference is 20 inches. Tecnica Moon Boot Vinil in White and Black from Robert Frost Fine Footwear and www.frostshoes.com.