Pick Up The Pace In Kruz. This Running Silhouette Is Designed Specifical For Kids’ Performance Needs, With A Slip On Upper, Durability, And Traction. Puma’S New Sliptech™ Technology Allows You To Slip Shoes On And Off Without The Use Of Your Hands. The Kruz Profoam Sliptech™ Features A Split Upper With Heel Enforcement For Easy Step-In Style, Plus A Comfy Midsole For All-Day Cushioning And Support.