The SLR Boost is our saddle of choice due to its lightweight design and innovative use of materials. Details: - Custom perforations and subtle branding integrates Selle Italia tradition and ENVE design - Upper material is made of a special polyurethane cover called Soft-Tek - Two width options: 130 mm and 145 mm - Weight: 130mm : 161g, 145mm : 166g - Rail: Titanium, 7mm - Length: 248mm