Brooks Adrenaline GTS 21 Womens Running Shoes Grey Wide 1203291D528 11D Brooks Adrenaline GTS 21 running shoes in a grey and rose gold colorway. These performance sneakers feature a breathable engineered mesh upper with 3D Fit Print for a secure fit. Designed with GuideRails holistic support system to keep excess movement in check, protecting your knees while you run. The DNA LOFT cushioning provides a soft, smooth ride underfoot. Ideal for road running, walking, or cross-training.