FINIS Kids Finz Child These fins were designed to help children establish a horizontal position. Excellent tool for developing proper swimming technique. FEATURES & BENEFITS Engineered for Small Feet Helps young swimmers learn a proper horizontal body position in the water Soft Polyvinyl Material Offers comfort and flexibility Adjustable Velcro Heel Strap Easy to take fins on and off; can be adjusted as child grows Multiple Sizes Available in US shoe sizes K 11-2)