NEW FROM BROOKS: MORE CUSHION. MORE SOFTNESS. LESS GRAVITY.
The nitro-infused foam of the Glycerin 21 provides the ultimate softness for weightless soft landings each step of the way. The wide platform helps your foot to land and transition from heel-to-toe smoothly.
Get carried away in the weightless softness of the nitrogen-infused Glycerin 21 and experience supreme comfort with Brook's newest arrivals:
BROOKS GLYCERIN 21 & GLYCERIN GTS 21
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HOW TO TRAIN FOR A HALF MARATHON BY RUNNING JUST 3 TIMES A WEEK
by Runner's World Magazine
How to make training fit into your busy life.