KORKERS River Ops wading boots in Black/Cool Grey, size 15, offered new without box. The listing notes Vibram and studded Vibram soles, which may help buyers looking for this specific River Ops model for fishing or other wading use. Free shipping is included, which is a helpful buying detail when comparing similar footwear. Size 15 is important to note for fit, so shoppers should review the listing carefully to confirm it matches their needs. This item may suit buyers replacing a worn pair or searching for a large-size wading boot in this colorway. Check the listing for full details. KORKERS River Ops w/Vibram & Studded Vibram Soles, Color: Black/Cool Grey, 15. Color: Black, Size: 9, Condition: New without box. Suitable for Fishing. Listed at 139.94 USD. We are happy to help. Closure System // Traditional lace with locking cleat for a customized bi-zonal fit. Traction // OmniTrax Interchangeable Sole System for customized traction on the fly. Fit // Featuring Ankle Wrap internal foam padding for added ankle stabilization and comforting support.