As a running shoe, a pair of Adidas Boost fits true to size. For the Adidas ZX 2K Boost it’s recommended they fit rather tight. In general buy half a size up.
Due to the single-piece upper with big parts in mesh, the upper make fitting easy when you have normal feet.

Adidas ZX 2K boost trainers, you should consider buying a full Size up, when you have a wide foot. When you have a normal width, you should buy half a size up.

The Adidas ZX 2K Boost has a single-piece upper that hugs your feet on all sides. In combination with the Boost outsole is one of the most comfortable trainers Adidas has launched so far.

No, The Adidas Yeezy Slides comes from EU size 36, UK 2, US 3. So, from an age of 10 boy and girl teens will be able to have great Adidas Performance shoes.

Adidas is designed for the streets, so they’re likely to get dirty. On the whole, they’re super durable and low maintenance.
Carefully remove the insoles and laces from your Ultraboost 20 – insoles SHOULD NOT go into the washing machine. Put the shoes in the washing machine on the delicates cycle (cold water). The Laces can be washed using a linen bag or by hand for the best result. Use a gentle detergent and avoid bleach at all costs.
Do NOT tumble dry – air dry your Adidas Ultraboost 20. Reinsert the insole and laces and get on with your day.
Our main preference is to clean your Adidas Ultraboost 20 by hand, with a brush and a wet cloth.

Yes, they are made and engineered for running, however, there are better performing Adidas Boost runners on the market, and we notice that many use them as lifestyle sneakers.