Made from Sustainable Materials Upper contains 59.87% recycled and renewable resources Product Features Low-profile performance running shoe Enhanced engineered mesh upper is breathable and ultralight Padded collar for reinforced relief Guide Rails® technology supports and stabilizes your lower body during your run DNA LOFT v2 cushioning midsole cushioning is supersoft and syncs with your unique stride Rubber outsole for guaranteed grip on all surfaces Lace-up closure The Adrenaline GTS 23 is imported. Reenergize your run with more rewarding results than ever before in these Brooks Women's Adrenaline GTS 23 Running Sneakers. Updated with even softer DNA LOFT v2 cushioning, Guide Rails® support, and super smooth transitions as a top priority, these runners stabilize your stride and provide comfort that feels lighter with every lap.