Brooks Hyperion GTS Sneakers are a women's athletic shoe in gunmetal color with a lace-up closure. They are designed for walking, running, and jogging and have a standard shoe width. The upper material is synthetic, and the lining is made of synthetic material. The outsole is rubber, and the insole is foam. These sneakers are cushioned, comfortable, and breathable, making them suitable for activewear, casual wear, and workwear. They are available in US size 7.5, UK size 4.5, and EU size 38.5.