The Sprinter Set (Blue Smiles)Why Parents Love It The set kids reach for first and parents trust most. The Sprinter Set pairs the Warrior Athletic Tank with the Sprinter Athletic Short, delivering lightweight comfort, exceptional stretch, and thoughtful design details that keep up with nonstop play. Built for active days that demand breathable performance and all day comfort. Features That Matter Lightweight, Breathable Tank Keeps kids cool and comfortable during active play