Men's Stride Aero FIT 5 Inch Shorts Black Clothing Size:Large the six base blade style frame features the six base blade style frame features custom cut lenses with integrated ventilation developed exclusively for this collaboration — protecting the eyes and enhancing field of vision with a silhouette that sits as confidently off the run as on it Engineered mesh across the upper enhances breathability and creates a contouring fit that feels barely there—essential for longer track races where comfort matters as much as speed channelling air through the fabric as you move rather than simply using lighter material higher output efforts where heat management matters most