Adidas — rubber print of my shoes has become sticky

Address:

Ahmedabad, Gujarat, 382445

I have adidas sport shoes of rs. 6800/- approx. After one and half year, rubber print has became so sticky that black color spread on it and my track. After all these i am a regular buyer of adidas products.. I have track shoots, shoes of mine and my sons, t-shirt and etc.. But this incident restrict me to buy adidas products so please advise and replace my defective shoes.