Adizero Boston 12 M - IF9209 Size:9.5 A dual-density midsole keeps feet

A dual-density midsole keeps feet cushioned through intense reps

Side pockets add convenience

2XU's Vectr Ultralight 1/4-Length Crew Socks suit both men and women

It's designed with a rubber print compression feature that provides advanced stability while you're running

itching or irritation

Adizero Boston 12 M - IF9209 Size:9.5 A dual-density midsole keeps feetFAST TEMPO TRAINING SHOES WITH HIGH PERFORMANCE TECHNOLOGY. The Boston Marathon is a race. But it's also a goal, and a training plan and all the days it stays on your mind before the big one. The adidas Adizero Boston 12 Shoes are built for mid to long distance running. They bring a race day feel to training with a propulsive feel that comes from the glass fiber infused ENERGYRODS 2. 0, which limit energy loss underfoot. They're fast, but that does