Quad speed skates are the most preferred skates we sell and we have a critical selection so you happen to be sure to uncover the pair of skates that are best for you or whoever you are shopping for. Having said that there are often exceptions to the above chart, so please measure your foot and evaluate this to the size chart below. This size chart will enable you function out your helmet size for Pro-tec classic helmets. This size chart will assist you operate out your helmet size for triple eight brainsaver helmets. These charts show the boot size vs plate size that the manufacturer recommends. Eg I wear a size eight in Riedell boots but a size 9 in the Q4 and Q6. The sizing chart under is for these boots. We recoment that you do some investigation and if achievable attempt some skates with these plates prior to you obtain a pair.