Created in partnership with Black Girls RUN! – the Endorphin Speed 4 BGR! celebrates health, fitness, wellness, community, and sisterhood. Designed as a race-day shoe, the Endorphin Speed 4 quickly proven itself much more, equally capable during long, moderate training sessions and sprints to the finish. Thanks to the "just right" combination of winged nylon-plate, SPEEDROLL technology and PWRRUN PB foam, this cushioned running shoe provides the perfect balance of support, rebound and forgiveness. FEATURES & BENEFITS - Commemorative box, drawstring bag, and "Preserve the Sexy" key chain included with purchase - Smooth SPEEDROLL technology for effortless speed, smooth turnover and propulsive forward motion - PWRRUN PB foam is a true unicorn, offering the best combination of cushioning and energy return of any foam on the market. Striking that 'just right' feeling – firm enough to propel, soft enough to cushion - Re-engineered winged nylon plate for vertical reinforcement while maintaining flexibility through the forefoot - Best for: Race Run/Speed Run - Heel-to-toe Offset: 8mm (36/28mm forefoot) - Weight: 7.2oz (206g) - Sustainability: This style is vegan and contains recycled materials