Enjoy the benefits of agile and effective kicking while being able to easily pack and stow these fins for vacations or excursions. The short blade Aqualine fins by Deep Blue Gear are perfect for travel, swimming, training, and snorkeling. The soft, malleable rubber foot pocket with enclosed heel improves your comfort while reducing friction and chafing. These fins eliminate the need for a neoprene sock, and are designed to be worn barefoot. Aqualine Fin Sizing Guide Fin SizeFin LengthFin WidthFin HeightPocket LengthPocket WidthFit's Men's Shoe SizeFits Women's Shoe Size 3-4 13" 7" 4" 9.25" 3.5" 4-5 1/2 5-6 1/2 5-6 14" 7" 2.75" 9 1/2" 3 1/2" 6-7 1/2 7-8 1/2 7-8 15" 7.75 1/2" 2.75" 10 1/2" 4.25" 8-9 1/2 9-10 1/2 9-10 15" 8.25" 2.75" 10 1/2" 4.25" 10-11 1/2 11-12 1/2 11-12 16" 8 1/2" 2.75"" 11" 4 1/2" 12-13 1/2 13-14 1/2 13-14 17" 8 1/2" 2.75" 12" 4 1/2" 14+ 15+