Brooks Mens Glycerin 21- Black/Grey/White (1104191D090) Size:7 The METASPEED™ SP spike helps

The METASPEED™ SP spike helps sprinters take longer strides with less effort

Fast and smooth

striped neck tape

Whether you're racing for the podium or simply enjoying the experience

Internal brief with seamless constructed fabric allowing for fewer seams and a distraction free run

Brooks Mens Glycerin 21- Black/Grey/White (1104191D090) Size:7 The METASPEED™ SP spike helpsProduct Details If you're looking for supreme softness and ultimate comfort, the men's neutral Glycerin 21 running shoe provides an ultra plush ride thanks to even more soft DNA LOFT v3 cushioning than before, plus a new, more streamlined upper that delivers structure and breathability. Sustainability 59. 7 % Recycled materials in the upper 4. 1 Plastic bottles diverted from landfills Best For Supreme softness Comfortable fit Smooth and stable