Serious cyclists, this SMP F30C saddle is absolute game-changing comfort! Measuring 150x250mm, it's designed for sit bone widths between 11.6-15cm, making it perfect for road bikes, MTB, gravel, cyclocross, time trials, and triathlons. Weighing just 215g, it features a microfiber cover with carbon reinforced nylon 12 body and AISI 304 stainless steel rails. The complete absence of padding might sound scary, but it actually creates a direct connection between you and your bike - no filters, just pure performance. The patented design with its fully open central channel and 'eagle's beak' tip eliminates compression on sensitive areas, meaning no more numbness, tingling, or private part problems. Your sit bones rest naturally on the shaped support areas, and you get the longest rail on the market for incredible fore-aft adjustment range. This is handcrafted quality that's built to withstand the toughest riding conditions while keeping you comfortable for hours. If you're an advanced cyclist focused on both performance and health, this saddle delivers that perfect balance of comfort and speed you've been searching for.