Like with the standard GS, the men's GS SL Bib Shorts are built with the same shape as the Drago 2. 0 bibs. Unlike the standard model, though, the SL appellation indicates the addition of Capo's Speed Luminescence cuffs at the leg bands, which ensure a lie flat fit and include a reflective surface. Tthe leg cuffs are one of the most effective places for reflectivity because, while you're pedaling, they're moving, adding an attention grabbing element of motion to the already bright Luminescence material. Capo constructed the GS SL Bib Shorts' contoured top and inner leg panels using its high gauge HG Lycra and 40 gauge HG Carbon Lycra. The HG Lycra's dense, three dimensional design gives it more muscle support than standard Lycra blends, as well as abrasion resistance for durability in the high friction inner thigh zone. Hg Carbon Lycra's visible Resistex carbon yarn increases moisture transfer, antibacterial protection, and UV protection. The GS SL also uses Capo's bib strap harnessing technology. This is a two part strap system that combines Capo's fine gauge microfiber Eyelet Mesh with its HG Lycra. Used in the straps' lower half due to its highly breathable and vertically elastic properties, the Eyelet Mesh is designed with a textured surface that stays raised off of your skin, speeding evaporation and keeping you cool and dry. The Eyelet Mesh is bonded to the laser cut HG Lycra upper straps. This creates a vertically stable system that stays securely in place along your shoulders throughout your ride. The GS SL is finished with Capo's Anatomic 4G Carbon Elastic Interface Technology EIT Insert. Its high density, open cell foam is bonded to an antimicrobial microfiber layer that has carbon fiber threads woven through it to speed moisture evaporation. The 6 and 8mm thick pads built into the pre curved profile, along with its elastic memory, make this your perfect chamois for rides in the six hour base mile zone.