Upgrade your mermaid experience to Elite with the Oasis Elite Monofin that’s specially crafted for the Elite mermaid tail. Ergonomic, open-toe foot pockets Adjustable and removable slim heel straps Durable construction with a polypropylene skeleton for optimum performance Comfortable design that’s easy to put on and securely stays on Soft edges protect the tail fabric and provide mermaid motion while swimming Size is 25 inches wide and 24 inches long Bendable edges for easy travel Fits women’s shoe sizes 5-10 for wide feet and up to 11 for narrow foot / men’s shoe sizes 5-8.5 and up to 9 for a narrow foot Patented one-of-a-kind design 30-Day Satisfaction Guarantee Lifetime Warranty on Manufacturing Defects For use ONLY with Elite Mermaid Tails. Not compatible with other Fin Fun mermaid tails. Elite Monofin and Tails are excluded from Free Shipping promotions.