Normally, the military discounts programs on some occasions of the year. In order to know whether it is offered or not is depended on G Star's policy sales, you can visit the store now for your reference.

In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

Usually, Coupon Stacking is not allowed at G Star. However, the store will surely give out notice if available.

Yes. Coupons for each Discount Event of G Star will be collected here while being updated day by day. Sometimes, there will be deals not updated promptly but it's rare, we expect sympathy from you. 

Our advice for you to use G Star Coupon effectively is to choose the right day.
Like thousands of other consumers, the time of promotion is when they choose to
shop at G Star, so take advantage of coupons released on those days to save.