Fans purchasing an Adult or Junior Macron official home, away shirt or goalkeeper shirt and get a free Macron Graffiti Gym Bag worth £9.99.
The offer is available both instore and online and goes on sale prior to Arsenal's visit to the Boleyn Ground, before ending on the 14 October.
The Hammers currently sit eighth in the Barclays Premier League after an impressive start to life back in the Barclays Premier League, so make sure you show your support to the team by getting kitted out as they prepare to welcome some of the biggest teams in the country over the next two months.
Andy Carroll's impressive return from injury on Saturday also saw a rush for fans wanting his name printed on their shirt. You can join them by customising your new Macron shirt with official Barclays Premier League lettering and printing and player name and number for just £18.
There are four ways to purchase any of these exciting offers, visit our official club store by clicking here, buy via our Facebook store here, visit our mobile site or visit any of the official club shops.