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Brooks Adrenaline GTS 21 Review 2021

Two-minute review

The Brooks Adrenaline GTS 21 is a sturdy stability shoe designed for road runners looking for something dependable for everyday training. It’s not flashy, but it’s thoughtfully constructed where it matters, and is extremely comfortable when you’re putting in the miles.

It’s a minor upgrade from the GTS 20, with the key difference being the use of Brooks’ DNA Loft foam throughout the length of the midsole for a slightly more cushioned ride. The 3D printed mesh upper has also been tweaked for a more snug fit (though there’s plenty of room in the toe box, even if you don’t opt for one of the wider fit options).

(Image credit: Future)

Overall, the feeling is smooth and (as promised) very stable. That’s partly down to Brook’s GuideRails support system, which we’ll describe in further detail below. This is intended to prevent your foot from rolling inward or outward, without the need to resort to orthotics.