Sand Socks soft-soled snorkeling booties (youth/adult) Large Green camo Improve balance and feel, while protecting feet from the elements. Duratex coated neoprene soles protect against heat, cold, sharp objects, and dirt. Spandex uppers let feet breathe during workouts and provide an Ultriviolet Protection factor of 50+ The rashguard ankles help to prevent blisters from diving fins or other outer footwear. Sand Sock Sizing: XXS (Men's shoe size 1-2; Women's 1-3), XS (M: 2 1/2-4; W: 3 1/2-6), Small (M: 4 1/2-6 1/2; W: 6 1/2-8 1/2), Medium (M: 7-10; W: 9-11 1/2), Large (M: 10 1/2-12; W: 12-14), XL (M: 12 1/2-14; W: 14+), XXL (M: 14+)