What Our Gearhead(R) Experts Are Saying:"I grabbed these for my nephew who's constantly on the go. Between the easy speed lacing and the serious grip on the Traxion outsole, they've become his go-to for hikes, playground climbs, and backyard races. They're breathable, lightweight, and just tough enough for all-day action."Whether they're scaling backyard rocks or joining you on weekend trails, the Terrex AX4S SL Shoes are built to keep up. With a breathable mesh upper and abrasion-resistant overlays, they deliver lasting durability and cooling airflow-ideal for high-energy outdoor play. The EVA midsole cushions their every step, while the lugged Traxion outsole ensures they stay grounded on uneven paths and loose terrain. Speed lacing makes getting ready fast and fuss-free, and the Adifit insole helps lock in the perfect fit. Made with at least 20% recycled content, it's a do-it-all hiker that keeps your kid moving-and makes a smaller footprint.