MEN'S GLYCERIN GTS 21 hats an open ear design and

an open ear design and a suite of convenient features deliver premium music play and crystal clear calling without compromise

Breathable wicking mesh under hand position provides superior grip while the ExoSpine™ creates superior hand feel and support for the soft flask

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MEN'S GLYCERIN GTS 21 hats an open ear design andThe Brooks Glycerin GTS 21 is a stability version of the popular Glycerin 21, combining the plush cushioning of the Glycerin line with the supportive GuideRails system typically found in the Adrenaline GTS series. Heres a detailed review: Comfort and Cushioning: The Glycerin GTS 21 features the same DNA LOFT cushioning as the standard Glycerin 21, offering a soft and luxurious feel underfoot. The cushioning extends throughout the midsole, providing a