NIKE Women's Air Pegasus + 29 Running Shoes synthetic-and-mesh Premium Full-Length Cushlon foam - More Cushioned than ever! It provides a soft yet responsive cushioning and a supportive feel whilst running. Lower Profile Forefoot - for low-to-ground feel and provide extra mobility. Lateral rubber blade outsole - For added sensory feedback as well as greater traction. BRS 1000 - Carbon rubber outsole for great durability in those areas that get worn very quickly. Nike Zoom - Included in the heel for low-profile, responsive cushioning. Keeping you going, for longer!