Alpinestars Tech 3S Kids Black/Yellow Fluo/Red Fluo Motocross Boots Designed and developed for those little rippers, the Tech 3S Kids Boot offers high levels of protection and comfort, and with a lightweight microfiber upper these boots are highly durable – ideal for protecting young riders as they learn to ride emulate their heroes. Features Upper constructed from innovative light in weight microfiber material for flexibility, durability and abrasion resistance. Designed and developed for optimized comfort and fit for junior riders. 3-stage instep flex zone for maximum comfort, control, and support. Exclusive rubber outsole design with unique side-wrapping design. The external suede panel located on calf area of boot to provide grip against bike. Replaceable anatomical EVA footbed. Specially adapted removable footbed to accommodate growth and extended longevity of product. Extended PU Synthetic gaiter helps seal out more excessive water and dirt entry.