The Tour Air Lastomer II saddle from Velo is one of the most comfortable you'll ever see! The Arc-Tech suspension and Elastomer construction minimize all the bumps you'll find on your ride. Additionally, it can be converted to fit your firmness/softness comfort level with the integrated pump, even while on the fly. The base cut provides pressure relief, and it's quite lightweight. Integrated pump can be used to adjust softness, even while on the ride! Arc-tech suspension provides improved flexibility and superior support in any position Additional comfort is provided by Elastomer shock absorbing technology Pressure is relieved by the O-zone base cut 272 mm long x 210 mm wide; lightweight at only 665 grams