Built for runners and walkers who need serious support, the Brooks Beast GTS 26 and Ariel GTS 26 deliver one of the most stable and dependable rides out there. At the core is Brooks’ GuideRails® support system, designed to keep your stride aligned and reduce excess movement without feeling overly rigid. Paired with a broad, stable base, this creates a smooth, confident feel whether you’re walking, working, or logging miles. You’re also getting updated DNA Loft v3 cushioning — nitrogen-infused for a softer, more responsive feel that still holds up over long days on your feet.