The Ruby Pro is an ultra-light & stiff saddle for women with minimal padding. Its designed with a Body Geometry shape that provides comfort & pressure relief on long rides plus its Adaptive Edge technology allows the Rubys edge to adapt to the shape of the body for extra support & pedaling efficiency. Womens Body Geometry cutout is scientifically tested & ergonomically designed. Stiff carbon-reinforced shell with flexible Adaptive Edge technology. Super-light padding for comfort & support on longer rides. Ultra-light & strong oversized FACT™ carbon rails are smoothly integrated into the base. Tough lightweight water-resistant Micromatrix™ cover. Level 2 padding: Medium density foam for bike feel with additional cushioning.SWAT™ compatible mounts molded into the saddle base allow for sleek & integrated storage solutions Size 143mm / Weight 192g Size 155mm / Weight 193g Size 168mm / Weight 204g NOTE: Oversized 7x 9mm carbon rails are not compatible with seatposts equipped with side-load clamp mechanisms for 7mm round rails.