The cushioning, adaptive support and accommodating fit that you need, without unnecessary extras. Enjoy your run without thinking about your feet. PER: Breathable upper features a dynamic midfoot saddle. Seamless construction. A dynamic innersleeve and an external heel counter for comfort and support. MIDSOLE: Lunarlon cushioning system with a "bottomless" carrier construction and the Dynamic Support platform provide adaptive support and plush cushioning. OUTSOLE: Gender-specific flex grooves promote a naturally efficient stride. BRS 1000 at heel. Environmentally preferred rubber everywhere else
