Merrell Barefoot Shoe size 9.5

I just got these delivered, and they do not fit. This was a final sale, so I can't return them. Brand new still in box. FEATURES: • 65% recycled breathable mesh upper • 100% recycled laces • External rear sling locks in the heel • 40% recycled breathable mesh lining • 100% recycled mesh wrapped insole • Cleansport NXT™ treated for natural odor control • 30% recycled integrated EVA foam insole • Merrell Barefoot 2 construction is designed to keep the foot in a natural position • Rock plate for protection • BLOOM® performance midsole foam is made of algae biomass, transforming green water into clean water in the process • Vibram® Ecostep Recycle outsole designed with 30% recycled rubber which provides added durability and improved grip on wet and dry surfaces • Stack Height: 11.5-11.5mm • Lug: 3mm • Vegan-Friendly • Half pair weight: 0lbs-6oz, 170g