If you have a discount code you wish to redeem, follow these steps:
1) Find the gear you need and press add to cart button
2) Navigate to cart page where you will find all the gear you have selected. On the right side of the cart page is a box title 'Got a Discount Code', Enter your code here then press 'Go'
3) Once you have pressed go the discount code is loaded in your cart and you will see the discount show up underneath the subtotal line as shown below.
4) You can now either add more items to your cart or proceed to checkout and the sale price will be used.