From Oboz, the Women's Katabatic LT Low Hiking Sneakers feature: recycled polyester spacer mesh upper with TPU hotmelt overlays TPU reinforced toe cap Lace up closure O Fit® x Ortholite® Eco insole features dual-density open cell PU foam for agile support and comfort Proprietary lightweight & high rebound single density EVA midsole Trail Tread rubber compound outsole with recycled rubber Approx. 9.9 oz./281 grams Imported.