Product Description Matrix and FinoStrech fabrics work together to enhance flexibility and transport moisture away from your skin for quick evaporation. 6-panel contoured design gives you a snug, relaxed fit. TriLite chamois blends cushioning with a run-friendly, low profile to keep you comfortable through every stage of the race. 3S flatlock seams feel soft against your skin. Signature leg grippers keep this short in place. Inside key pocket is perfect for stashing I.D. and smaller items.