DNA Tuned is Brooks' step up from standard DNA LOFT foam, and the Glycerin GTS 22 puts it to work for genuinely plush landings paired with responsive toe-offs. GuideRails holistic support keeps excess motion in check without an intrusive post, an engineered double jacquard knit upper flexes to accommodate the foot, and multiple width options mean the fit isn't a one-size compromise.
What's the difference between DNA Tuned and DNA LOFT foam? DNA Tuned is Brooks' more advanced cushioning compound — the Glycerin GTS 22 uses it for a plusher, more zone-specific ride than the standard DNA LOFT foam found in other Brooks models.
