The Performance Long-T is On's training long-sleeve — a lightweight Japanese-milled knit that wicks moisture, warms in cold and cools in heat, with bonded seams for low-friction wear and laser-cut back ventilation. The Lumos variant adds reflective treatment for low-light winter running. Performance Long-T Lumos, reflective long-sleeve for low-light winter running.
The Performance Long-T is On's shoulder-season running shirt, the weight you reach for when a short sleeve is too little and a jacket is too much, with bonded seams and laser-cut vents that keep it moving at race pace despite the extra coverage.
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CA$ 75
The Performance Long-T is On's training long-sleeve — a lightweight Japanese-milled knit that wicks moisture, warms in cold and cools in heat, with bonded seams for low-friction wear and laser-cut back ventilation. The Lumos variant adds reflective treatment for low-light winter running. Performance Long-T Lumos, reflective long-sleeve for low-light winter running.
The Performance Long-T is On's shoulder-season running shirt, the weight you reach for when a short sleeve is too little and a jacket is too much, with bonded seams and laser-cut vents that keep it moving at race pace despite the extra coverage.








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