Reebok India — sweatshirt

Address:

Agra, Uttar Pradesh, 282001

I buy reebok product from Flipkart it's a sweatshirt it is 3 months old but i rarely wear it now it gets pillings on it .it quality as a name of sweatshirt is also very low but as reebok product i believe that it is good that's why I didn't return it but after using it it worst what can I do now it's a worst material i am using reebok products from last 3 year before it i use nike but now I have to switch it