The SLR Boost brings the Selle Italia values to the short saddle sector. The SLR Boost complements and strengthens the SLR family. A lightweight, compact and comfortable saddle with a new top front. The SLR Boost has an even more accentuated front that allows you to further increase comfort during the pressure and make the most of the features of the saddle. Biomechanical reference point The SLR Boost features a glossy black line visible on the underside of the saddle that indicates the position of the BRP (Biomechanical Reference Point). The BRP is the point where the width of the seat is 70 mm and where Selle Italia measures the useful parameters for proper positioning.