Crocs comfort Level 1. Their feet are cool and comfortable in the Classic Clog from Crocs® Kids. Clogs constructed from Croslite™ material for lightweight comfort. Circulation nubs on footbed stimulate blood flow. Footbed conforms to foot creating a custom fit. Advanced toe-box ventilation system. Treaded outsole for traction. Crocs™ states these shoes should fit very loosely. The sides of your foot should not really touch the sides of the shoe. Your toes should never make contact with the front of the shoe. Once you have centered your foot on the foot-bed: You should have about a 1/4 to 1/2 inch of space in front of your toes, behind your heel and when you lift the strap you should be able to comfo