The 2XU Men's Light Speed 5" Short features lightweight, breathable 4-way stretch woven outer with sphere back texture combine to prevent cling and provide ultimate flexibility in motion and comfort. With hidden storage:  A ventilated mesh waistband with internal drawcord ensures a secure fit while a hidden internal pocket on inner liner provides storage for smaller items. Be seen with reflective logos and trims provide 360-degree visibility in low-light conditions.