{"product_id":"brooks-mens-glycerin-gts-21-supportive-running-shoe-plush-cushion","title":"Brooks Men's Glycerin GTS 21 Supportive Running Shoe - Plush Cushion","description":"\u003cp\u003eIn this review the Brooks Men's Glycerin GTS 21 is shown to be a top choice for runners who want maximal cushioning plus reliable support. The shoe's standout feature is its nitrogen-infused \u003cstrong\u003eDNA LOFT v3 cushioning\u003c\/strong\u003e, which delivers a pillowy ride without feeling heavy, while the GuideRails holistic system keeps excess motion in check. For road running, gym sessions or daily wear where comfort and stability matter most, this Glycerin GTS 21 balances supreme softness with guided support in a familiar, improved fit.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuideRails holistic support:\u003c\/strong\u003e Keeps your foot and body aligned by limiting excess movement while allowing natural motion, which helps reduce strain during runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDNA LOFT v3 cushioning:\u003c\/strong\u003e Nitrogen-infused foam provides exceptionally soft but responsive cushioning that stays lightweight and durable over miles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlush internal stretch bootie:\u003c\/strong\u003e Surrounds the foot for a sock-like fit that expands and moves with your stride for consistent comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarp knit upper:\u003c\/strong\u003e Breathable and flexible construction gives an accommodating fit that stays soft against the foot during long wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad platform:\u003c\/strong\u003e Stabilizes the foot for smooth heel-to-toe transitions and a steady on-the-run experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPMA Seal of Acceptance:\u003c\/strong\u003e Recognized design considerations that support foot health and biomechanical needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Glycerin GTS 21 is ideal for runners who want maximal cushioning but still need support to control excess motion, including those who run on roads and spend time in the gym. It suits anyone who prioritizes \u003cstrong\u003ecomfort\u003c\/strong\u003e and protection on daily runs, recovery days, or walks where a soft, stable platform reduces impact.\u003c\/p\u003e\n\u003cp\u003eRunners who prefer minimal or highly responsive racing shoes should look elsewhere; this model emphasizes plushness and guided support over a race-flat feel. Those seeking ultra-lightweight trail footwear should also consider a trail-specific design instead of this road-focused shoe.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExceptional softness underfoot from the nitrogen-infused DNA LOFT v3 foam.\u003c\/li\u003e\n\u003cli\u003eConfident support from GuideRails that helps with arch and knee comfort reported by customers.\u003c\/li\u003e\n\u003cli\u003eComfortable, adaptive fit thanks to the internal stretch bootie and warp knit upper.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVery plush cushioning may feel too soft for runners who want a firmer, more responsive ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eGlycerin GTS 21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended use\u003c\/td\u003e\n\u003ctd\u003eRoad running, cross training, gym wear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport system\u003c\/td\u003e\n\u003ctd\u003eGuideRails holistic support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCushioning\u003c\/td\u003e\n\u003ctd\u003eDNA LOFT v3 nitrogen-infused foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper\u003c\/td\u003e\n\u003ctd\u003eEngineered warp knit with internal stretch bootie\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecognition\u003c\/td\u003e\n\u003ctd\u003eAPMA Seal of Acceptance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Brooks Men's Glycerin GTS 21 is a strong choice for runners who want plush, long-lasting cushioning paired with meaningful support. It offers great value for anyone seeking foot comfort and stability in daily road miles or gym sessions, especially if foot pain or knee strain is a concern; just know the ride prioritizes softness over a firm, race-oriented feel.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these shoes good for overpronation?\u003c\/strong\u003e\u003cbr\u003eThe GuideRails holistic support is designed to limit excess motion, making this shoe suitable for mild to moderate overpronation by providing guided stability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the fit compare to previous Glycerin models?\u003c\/strong\u003e\u003cbr\u003eThe GTS 21 has a plush internal stretch bootie and warp knit upper for a more accommodating, sock-like fit compared with prior versions while keeping familiar cushioning and support.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre they durable for daily running?\u003c\/strong\u003e\u003cbr\u003eYes, the DNA LOFT v3 cushioning is engineered to be durable and customers report the shoe holds up well for regular use and miles.\u003c\/p\u003e","brand":"Brooks","offers":[{"title":"Default Title","offer_id":48263227179227,"sku":"B0CH1WM6K4","price":159.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81l-nJmWrZL._AC_SL1500.jpg?v=1778349803","url":"https:\/\/gearmusthave.com\/products\/brooks-mens-glycerin-gts-21-supportive-running-shoe-plush-cushion","provider":"GearMustHave","version":"1.0","type":"link"}