The Skyla boot features therma-weld uppers blended from TPU, mesh, and Alcantara materials with minimal stitching for the lightest, strongest overlay available. Medium/soft flex pattern. Dual lace zones. Integrated ankle strap pulls your foot into the heel pocket. Lux chassis is lightweight and rigid for maximum response. Ultralight liner with fur-lined plush cuff is extremely comfortable. Power arch supports your feet. Traditional thick laces for secure fit and durability. Skyla Boot sizes: XS(4-7), M(6-9), L(8-11).