The Assos HK 434 S5 Lady Knickers are anatomically tailored for the ultimate riding experience! Their low volume A.434 spandex is very soft for an amazing fit. In the knee area, Assos uses their AEPD design to reduce bunching for total freedom of movement. Another feature you'll love is the wide, comfortable, shaped waistband. And, from the first mile to the last, you'll love the Assos high-density women's chamois with Elastic Interface Technology that moves with you so you feel great on even your longest rides!