The Training Day Tee + O2 Run Short 2-Piece Outfit

Formally the Infinite Short. Engineered for speed, breathability, and movement. With 360° ventilation, mesh panels, a sleek drape, and smart storage (including a hidden zip pocket), they’re built to run, made for beyond.

Built to perform. EveryWear's weightless, no-frills construction disappears on your body so you can push harder, move faster, go longer. Four-way stretch moves in every direction, and sweat-wicking tech handles high-intensity output from start to finish.

90% Recycled Polyester, 10% Elastane

Tackle your toughest sessions in this high performance tee. Seamless, anti-chafe fabric, anti-stink tech, and mesh panels for increased ventilation: you're all set to power through your sweatiest and most intense workouts.

This ultra-lightweight, sweat-wicking performance fabric is engineered for exertion. With the perfect balance of stretch, support, and ventilation, you can turn up the intensity without discomfort or distraction.

64% Nylon 36% Polyester