Where can you get one of those Adidas Jackets?

I want to buy one of those jackets that everybody has, you know with the stripes on the shoulders, and I was just wondering where do I buy these? At the actual adidas store or at sport places like Champion. And also how much does one cost?|||any sports storee ( big oness )|||sports athoroty|||They have them at Aritzia|||go on google and search , im not sure where u are from but im from the uk, if u are aswell try JD SPORTS http://www.jdsports.co.uk/home ,they sell adidas jackets, or some sportsdirect stores http://www.sportsdirect.com/ , jd sports are the best though x