Brooks Glycerin 21 and Glycerin GTS 21 | Big Updates For The Series!

The Brooks Brooks Glycerin 21 and Glycerin GTS 21 return and offer premium comfort for all of your daily running needs. With a complete revamp from top to bottom, both of these shoes deliver an even softer and bouncier experience while still delivering the plush cushioning you've come to expect from the line. The Brooks Glycerin 21 and Glycerin GTS 21 are available now.

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