Selle Italia: Making cycling in low light conditions safer thanks to it's Hi-Viz inserts, the ST 5 Flow is a fantastic choice for any urban cyclist. Striking the perfect balance between comfort and performance on a daily basis, the ST 5 Flow is the perfect all-rounder. The padded gel inserts together with the central Flow cut-out for relieving pressure on the perineal area ensure maximum comfort. The practically flat shape of the ST 5 Flow allows you to move freely, increasing performance, while the Hi-Viz inserts on the back keep you safe in low light conditions. From weekday commutes to weekend group rides, the ST 5 Flow is a fantastic choice. Materials and Shapes Flow The special Flow anatomic cut-out ensures top riding comfort by offering flexibility at the front of the saddle. Fec Alloy Rail High strength and flexible carbon-iron steel alloy, 7 mm. Soft-Tek Special polyurethane cover guarantees high levels of comfort. Light Gel Lightweight gel layer that ensures excellent sitting comfort and complete absorption of vibrations, guaranteeing lightness and performance. Hi-Viz Special reflective surface which makes visible each movement even in poorly lit areas, improving safety. Technical Specifications Weight S2 396 g L2 403 g Dimensions S2 155 x 276 mm L2 165 x 276 mm Rail FeC Alloy Ø7 Intended use Road, Touring