UV protection, performance fabrics and compression technology; the Specialized SL Expert bib-short is a highly technical road garment designed for performance and comfort. The front of the braces are made of a yarn containing antibacterial and antistatic carbon fibers. Flat lock stitching prevents friction while riding. Mens Body Geometry Expert SL Padding The 2016 Specialized SL Expert bib-shorts are highly technical and very comfortable. The shorts are made from a performance polyester & polyamide fabrics which are highly technical and designed for improved performance. The shorts are also perfect for summer and fair-weather riding as they offer UV protection for your skin. The Body Geometry padding is designed to offer superior comfort and reduce pressure on key areas of soft tissue when riding. Additionally the various panels on the SL Expert bib-short are designed to hug your muscles and offer compression and comfort for your muscles while riding.