Boys' Adidas Little Kid & Big Kid Kaptir 4.0 K Running Shoes The Boys' Adidas Kaptir 4.0 K Running Shoes combine athletic performance with bold streetwear style—perfect for kids who like to stay active and look sharp doing it. Featuring a breathable knit upper and a sculpted Cloudfoam midsole, these sneakers are all about lightweight comfort, responsive cushioning, and an easy all-day fit. With running-inspired DNA and everyday durability, they’re ready for gym class, playground adventures, or just leveling up his everyday sneaker game.