Northwave Women's Starlight SRS Road Shoes. The Northwave Women's Starlight SRS road shoes are a marvel of design, high performance, and minimal weight. The carbon fiber reinforced nylon sole is exceptionally stiff and light plus features Northwave's Airflow System vents to ensure cooling airflow. The microfiber and mesh upper is super comfortable while the retention system a S.R.S. Slim Ratchet System buckle and a pair of asymmetric Velcro straps per shoe ensures perfect ergonomic performance at a minimal weight. The ergonomic footbed and integrated heel system ensures proper foot placement for pedaling efficiency. Add in the crisp, clean aesthetics of the shoe's color scheme and you've got one remarkable women's road shoe.