Kids Swim FinsKids Flippers for SwimmingSwim Training Fins for Snorkeling or Lap Swimmingfor Toddler Girls Boys BeginnersSIZE CHART:3XS=Euro 24-26=Little Kids Shoe 8-9.5 US SIZE =Length:6.5-7 Inch2XS= Euro 27-29= Little Kids Shoe 10-11.5 US SIZE =Length:7-7.28 InchXS= Euro 30-32 Little Kids Shoe 12-13.5 US SIZE =Length:7.28-7.87 InchS= Euro 33-35=Little Kids Shoe 1-3 =Length:7.87-8.27 InchNOTE: These fins are meant to be put on in water therefore dry fitting is not recommended. If you are in between sizes we recommend ordering the smaller size.✓✓Closed HeelClosed heel design keep fins secure and prevents hyper-flexion during workouts.✓✓Short BladeThe Short blade covers more surface area in the water which elevates your legs and hips activates your muscles and propels you along quicker.✓✓Water FlippersDesigned to provide buoyancy and elongate swimmers’ kicks Adds extra power to kick and builds leg strength.Keeps legs buoyant to reduce body drag.✓✓Corrects body position✓✓Provides instant forward propulsion✓✓Increases buoyancy to focus on stroke technique✓✓Great to use when focusing on breathing patterns