In the war against "numb butt" Pro Pad releases their latest weapon, the tech series pad This seat pad incorporates a space age micro spacer fabric for improved air flow under the rider along with an improved version of the Pro Pad polymer insert Insert has a cut out along the middle to reduce pressure in that region along with holes along the outer area to promote air flow in the upper thigh region Cutouts in polymer insert reduce pressure on sensitive areas Improves the ride by fighting off rear end fatigue 2 year MFG replacement warranty Seat pad has non-slip bottom and comes with straps Measures 16" Lx18" Wx1" H