Newly updated with lighter cushioning, Brooks Sports® Women's Adrenaline GTS 23 offers a perfect balance of support and softness that results in a smooth ride for miles at every speed. Lace up and find out for yourself why these Women's road running shoes have been runner favorites for over twenty years. Engineered Recycled Air Mesh upper provides comfort and breathability with 3D Fit Print for added structure Soft and lighter weight DNA LOFT v2 cushioned midsole GlideRails® technology adds support by keeping excess movement in check to stay in natural stride even when tired Durable Rubber traction outsole Sustainability: 59.87% Recycled materials in the upper; 11.02 Plastic bottles diverted from landfills Certified CarbonNeutral® product APMA Seal of Acceptance Product Features: Weight:9.1 oz. (258 g) Upper:Engineered Recycled Air Mesh with 3D Fit Print Midsole:DNA LOFT v2 Cushioning Outsole:Non-slip, non-marking Rubber traction Support (shank):Stability Height:12mm drop Brooks Sports Women's Adrenaline GTS 23 Running Shoe