Brooks Adrenaline GTS 21, the latest installment of an absolute benchmark for the pronator drivers of the American company that is updated to deliver an even smoother, more comfortable and efficient race experience. Intended for runners with medium and low arch weighing no more than 80 kg, these top of the range running shoes in terms of shock absorption continue to enhance the legacy of one of the most emblematic Brooks Running sagas. GUIDERAILS HOLISTIC SUPPORT SYSTEM MODERNIZED FIT BALANCED, SOFT CUSHIONING: The DNA LOFT SUPPORT AND CUSHION NWOT Women’s Size 9 Tried on never worn outside.