The women’s Brook’s Adrenaline GTS 20 is a solid trainer an extremely supportive running shoe that protects the knees by keeping excess movement in check. It is made with a lightweight mesh upper, a cushioned footbed, and an extra rubber outsole to provide stability, breathability, and durability.The Adrenaline GTS 20 offers a new, integrated GuideRails® support that is smoother than ever while just-right cushioning softens every step.New streamlined, engineered mesh upper with 3D Fit Print ofters the structure and proven fit the Adrenaline is known for - without the excess bulk.In good condition. Some wear visible in the white part of the sole (pictured).