Selle Italia, ST 5 Flow, SelleComfort and Performance within everyone's reach. The ST5 Flow is the perfect saddle for those looking for the right balance between performance and comfort on a daily basis. The Gel inserted inside the padding, together with the central hole Flow for the discharge of pressure from the perineal area, helps to maximize the feeling of comfort. The practically Flat shape, on the other hand, ensures the same high level of performance as a racing saddle.