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REI OXT(R) Fleet running shorts, with their athletic fit and reflective highlights, will help keep your comfortable as you reach new fitness goals. Quick-drying and lightweight stretch-woven fabric delivers 4-way stretch and an extremely soft feel against skin; stretch-mesh side panels increase breathability. Stretchy crepe liner brief wicks moisture away from body to keep you comfortable; fabric in liner is recycled polyester. Waistband with drawcord fine-tunes the fit. Lumbar pocket and stretch-mesh side pocket store small workout extras. Reflective piping increases visibility in low light. Athletic fit moves effortlessly with the body and won't bind or twist.