The Brooks Glycerin GTS 21 is your ultimate go-to for plush cushioning and reliable stability, built for runners and walkers who need extra support. With GuideRails technology, this shoe helps keep your stride aligned while reducing excess movement, making it perfect for overpronators or anyone needing added joint protection.

Key Features:

• GuideRails support system Keeps excess motion in check for joint-friendly alignment
  
• DNA LOFT v3 cushioning Nitrogen-infused foam for soft, responsive, durable comfort
  
• Engineered mesh upper Breathable, structured fit that hugs the foot securely
  
• Plush heel collar and tongue Adds step-in comfort for all-day wear
  
• Stability support Ideal for runners and walkers who overpronate or need alignment assistance
  
• Black/Grey/White colorway Timeless and versatile for both workout and casual looks
  
• Helps with foot conditions such as overpronation, knee and joint stress, arch support, plantar fasciitis, and daily foot fatigue