S/I SLR TM BOOST SUPERFLOW L BLACKSame benefits and features of the other SLR line of saddles at a competitive price with a little extra padding The SLR Boost presents an innovative line that, thanks to the slight rise on the back and the micro perforated cover, allows the cyclist to benefit from greater comfort and better seating The SuperFlow technology drastically reduces all physical limitations caused by prolonged pressure in the perineal area, especially for long distances Boost