SDP Short Sleeve High End Race Jersey Our highest end race jersey made from super light weight Bluesign fabrics. Snug aero fit. movement-inspired engineering. Sides, underarm, and upper back panels made of MicroX-Fine mesh. Ringer made of our subtle stretch Prime (prem) Band. Comfortable silicone pixels keep sleeves in place without binding. Flatlock Stitching provides contrast design element & bombproof seams. HighBeam reflective strip with embedded glass crystals--fully printable & shockingly visible. Grip tape at the waist keeps the jersey in place.