The SKECHERS Performance Go Train - Viper sneaker will be a staple in your cross-training collection. Flat-knit mesh upper with synthetic overlays for comfort and stability. Lace-up design offers a secure fit. Rounded toe. Forefoot flex grooves aid in flexibility and promote a smooth transition. Mid-foot strike zone promotes efficiency in each stride. Rear pull-tab for easy entry. Padded tongue and collar. Signature logo details at tongue and side heel. Breathable fabric lining. Air Cooled Goga Mat insole lends to all-day cooling comfort. Lightweight, responsive ULTRA GO cushioned midsole. Flexible rubber outsole. Imported. Measurements: Weight: 13 oz Product measurements were taken using size 9.5, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.