After much searching, we"ve located the perfect set of travel snorkeling fins to suit larger adults who have a hard time finding fins that fit. Traveler Compact Length Adjustable Fins:Open heel snorkeling fin with adjustable straps - wear barefoot or with a protective sock Comfortable foot pocket fits a wide range of shoe sizes and widths - comfortable even barefoot! Compact blade is perfect for traveling snorkelers Size recommendations: S/M: Men"s shoe size 4 1/2 - 8 1/2 (Women"s 6 - 10) ML/XL: Men"s shoe size 9 - 12 XL/XXL: Men"s shoe size 12-14 Do you have wide AND large feet? For size 15 wide feet, we recommend the Tilos Getaway fin instead. Note: These fins are best with a thin sock but may also be worn with barefeet. If you"ll be wearing a boot or reef shoe, consider sizing up.