The Quietest shoe in the RC-20 series. This elegant streamlined style has a medium platform, medium crown, medium vamp and supportive side wings. Will suit a variety of foot shapes. Extra noise reducing materials for a quiet performance without compromising durability. Suitable for all levels of ability. Size: 3 - 6.5. We hope that other sizes will be offered soon. Shank Strength: Flex New Flex Shank- with the perfect amount of bounce and support! Slightly easier roll through, and lots of flexibility at the 3/4 point.Width: W1, W2, W3, W4, W5, W6