Mens Adizero Boston 12 Running Shoes Adult Shoe Size:UK 8.5 / US 9 / EU 42 2/3 class A minus 25 kg

class A minus 25 kg

More foam in the tongue provides a comfortable and soft feel

The TRAILFLY's 4mm rubber studs are perfect for gripping rock and hard-packed

QUICK-DRYINGHigh-filament polyester yarn blocks UV and provides rapid moisture dispersal to keep you cool and dry

79% polyester

Mens Adizero Boston 12 Running Shoes Adult Shoe Size:UK 8.5 / US 9 / EU 42 2/3 class A minus 25 kgThe 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 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 fibre infused ENERGYRODS 2. 0, which limit energy loss underfoot. They're fast, but that does not come at the cost of durability the midsole layers ultra light