Boys' Puma Little Kid & Big Kid Caven III NBK Sneakers Puma Caven III NBK is a boys’ sneaker made for everyday wear and easy movement. The hook-and-loop strap helps secure the fit, while elastic laces give the shoe a classic sneaker look without traditional tying. A low-top profile supports flexible movement, and the padded collar adds comfort around the ankle. Visible Puma branding adds recognizable athletic detail.