Brooks Glycerin GTS 21 running shoes offer supreme cushion and support for high-performance training. These sneakers feature a breathable engineered mesh upper in black with white accents, paired with a DNA LOFT v3 nitrogen-infused midsole for a plush ride. The GuideRails support system helps keep excess movement in check, making them ideal for runners who need stability. These shoes are in good to great used condition with light signs of wear on the outsoles and midsoles. Brand: Brooks Model: Glycerin GTS 21 Style Code: 1204091D090 Color: Black/White Size: Mens 8.5 Wide (D) Closure: Lace Up Upper Material: Synthetic Mesh Midsole: DNA LOFT v3 Support: GuideRails System Activity: Running, Walking, Cross Training Features: Cushioned, Breathable Keywords: Road Running, Stability Shoes, Athleisure, Workout, Fitness, Comfortable, Wide Fit, GTS, Nitrogen Infused, Sporty, Performance, Training