Selle Italia ST 5 Flow Saddle - Fec Alloy Black S2. The ST 5 Flow saddle delivers comfort ergonomics and performance for people riding their bikes for transportation and errands. Covered in Soft-Tek polyurethane paired with a soft gel inside the padding combined with the “Flow” central cut-out relieves pressure on sensitive areas to maximize the feeling of comfort. Reflective silver Hi-Viz inserts on the back ensure visibility and safety even at night the ST 5 Flow is ideal for those looking for a perfect balance between performance and comfort on a daily basis.