Brooks Glycerin GTS 23 on run NipGuards are a patented product

NipGuards are a patented product that is guaranteed to prevent painful nipple chafing and abrasion for endurance athletes on long training runs

stretchy design for comfort and performance

Introducing OpenRun Pro

Insert: 88% Polyamide

lab-proven cups minimize bounce and provide superior support across a wide range of sizes

Brooks Glycerin GTS 23 on run NipGuards are a patented productThe Brooks Glycerin GTS 23 is a plush cushioned trainer designed for runners who want premium comfort with added support. Building on the major redesign introduced in the Glycerin 22, the 23rd iteration delivers even more DNA Tuned cushioning for a smoother, softer and more refined ride, while Brooks trusted GuideRails support system helps keep excess movement in check. With a 2mm reduction in drop, additional forefoot cushioning enhances comfort and