The fan-favorite returns with the legendary comfort and stability youve loved for years, now with more cushioning and an exciting new look. Topo Athletic women's Ultrafly 5s medial post and external TPU heel counter offer light pronation support for a stable and smooth run. They upped the stack height to 30 x 25 mm for 2 mm of additional cushioning. Our ZipFoam midsole delivers a lightweight and responsive ride, while our OrthoLite Performance Insole provides a soft step-in feel. The recycled mesh upper on these women's stability training shoes provides a secure, comfortable, and breathable fit.