Brooks Adrenaline GTS 21 Men's Support Marathon Running Shoe

Brooks Adrenaline GTS 21 — Men's Support Marathon Running Shoe

Meet the shoe that keeps you moving mile after mile. The Brooks Adrenaline GTS 21 is engineered for male runners who demand reliable support without sacrificing cushioned comfort. Whether you're logging easy recovery runs or pushing through a full marathon, the GTS 21 has the structure and energy return to carry you across the finish line.

Key Technologies

• GuideRails® Holistic Support System — Keeps excess movement in check, protecting your knees by addressing your unique biomechanics rather than forcing a rigid motion path.
• Nitrogen-Infused DNA LOFT Foam — A plush, lightweight midsole compound that delivers soft, responsive cushioning that adapts to your stride on every surface.
• Segmented Crash Pad — An integrated system of shock absorbers that cushions every footstrike and allows a smooth heel-to-toe transition.
• 3D Fit Print Upper — Strategically placed overlays provide structure and support exactly where you need it, while the engineered mesh keeps your foot cool and ventilated.
• BioMoGo DNA Midsole — Adaptive cushioning that responds to your weight, pace, and gait for a truly personalized ride.

Product Details

• Style Number: 1204081B171
• Gender: Men's
• Category: Road Running / Marathon
• Support Type: Stability / GuideRails
• Upper Material: Engineered mesh with 3D Fit Print overlays
• Midsole: Nitrogen-infused DNA LOFT + BioMoGo DNA
• Outsole: Blown rubber with segmented crash pad
• Sizing: EU 40–46 (Men's) | EU 36–39 (Women's)

Who It's For

The Adrenaline GTS 21 is the go-to choice for overpronators and neutral runners who want a trusted daily trainer. Its balanced blend of support and cushioning makes it equally at home on race day and long training runs.

"Lace up the GTS 21 and feel the difference that 20+ years of Brooks running science makes — every step, every mile, every finish line."