Hit the sand and surf in the Go Bionic S sandal by SKECHERS Performance! ; Synthetic upper. Slip-on construction. Graphic pattern on bands with branding. Thong sandal. Contrast midsole. Textured rubber insole. Rubber man-made outsole. Imported. Measurements: ; Weight: 6 oz ; Product measurements were taken using size 12, width D - Medium. Please note that measurements may vary by size.