If you try to purchase off the website, you are going to get a ton of site travel which slows your computer down tremendously. On top of that, they don't update their available sizes which is annoying because you'll pay for sizes and then get an email saying they don't have that size. Your best bet is to contact their headquarters and place an order through their customer service reps. On a positive note, their ability to deliver full ASU kits makes life easier.