AfterPay Available - The intersection where softness meets support, the Brooks Glycerin GTS 21 is a premium option for long-distance runs and daily kilometres. Boasting an extra 2mm of ultra-plush, nitrogen infused DNA Loft v3 that is paired with Brooks GuideRails holistic support system allows the Brooks Glycerin GTS 21 to achieve an ultra-plush and stable ride that absorbs the impact of running and keeps excessive joint movement in place. An all-new engineered warp knit upper keeps the weight of the shoe down while providing enhanced structure in crucial areas.