Brooks Glycerin 21 - Men's Road Running Shoes hydration bag Compatible with any Bluetooth heart

Compatible with any Bluetooth heart rate-enabled device

We obsess on that stuff and look for the best combination of softness and durability

• Lightweight O Matter™ frame material with Square O metal icon accents• Clip hinge mechanism that enables the eyewear to latch onto your t-shirt to secure eyewear• 4 base lens geometry with HDO™• Available with Prizm™ lenses to enhance color

Polished Black Frame

Prizm Road Lenses  CODE: OO9248-0842

Brooks Glycerin 21 - Men's Road Running Shoes hydration bag Compatible with any Bluetooth heartBrooks Glycerin 21 Men's Road Running Shoes Lace up and head out in supreme comfort. For the men's Glycerin 21, we added 2mm more super soft DNA LOFT v3 cushioning for extra plushness, while our innovative GuideRails support system keeps you comfortably in stride. Plus an updated, streamlined upper adds breathability. Sustainability 61. 1 % Recycled materials in the upper 3. 75 Plastic bottles diverted from landfills Best For Supreme softness