Products: snow - resistant shoe cover, crampons Materials: TPE (thermoplastic elastomer) tasteless, elastic, can be used at -40c. Size: SYards (31-36); M code (36-41); L code (39-46); XL size (45-48).Note: high quality rubber, very elastic! The number is for reference only, one or two yards short of the actual size can be worn.) Weight: about 170g Material: thermoplastic elastomer     Features: good ductility, frost resistance, can be used at -40 degrees. USES: snow, ice, fishing, climbing outdoor sports, with a variety of sports shoes, hiking shoes, alpine boots, suitable for ice, grass and a variety of wet road surface.Like fishing you, might as well have a pair of oh! Color: black Packing: simple packing plastic bag