Louis Garneau Oslo Bib Tight X-LargeWindtunnel tested and proven to the best the most aerodynamic fabric for speed of 15 to 45 mph, the aerodynamic Speed Matrix Shorts while crafted for speed, perform with comfort. Speed Mesh bib straps are very comfortable and breathable. Patented Matrix 3 Gel consists of non-attached comfort gel inserts ergonomically positioned to evenly distribute pressure at sit bones area and surrounding arteries.775504108438