NWT Brooks Adrenaline GTS 22 Running Shoe - Women's-Gray/Pink Hit the track with ease in the Adrenaline GTS 22 running shoe from Brooks. GuideRails® technology adds support by keeping excess movement in check, while DNA LOFT cushioning offers a soft, smooth ride. TECHNOLOGY Run Type: Road, Track Pronation: Support Surface Type: Road, Track GuideRails® technology adds support by keeping excess movement in check. DNA LOFT cushioning for a soft, smooth ride. Weight: 9.0oz / 255.1g Textile upper made from 37.3" recycled materials Lace-up closure Round toe with bumper Padded collar & tongue Textile lining Removable cushioned insole DNA Loft foam midsole Rubber sole Imported Smoke free environment