Thanks not a bad thing, eh cardiffkeeper? 
Hey Fubarish, here's a good way to measure what glove size is right for you. Get a measuring tape, measure the circumference of the widest part of your palms, and round up to the nearest inch (6.2 inch > 6 in // 6.8 inch > 7). Then, add 1 inch to that and you have your glove size!
To be honest Fubarish, save your money. These gloves may look awesome and perform well, but don't shy away from some of the grassroots gloves, such as KA Goalkeeping, The One Glove, D-Fleckt, and etc. These gloves are just as good, and about $40 - $60 less!
Also, stay away from fingersave gloves as cardiff mentioned, you need to train your hands to withstand the force of the shots.