heat sleeve

Hello, I'm struggling to find raquets with grip size 5 where I live (Switzerland). Theoretically my hand would be size L6 but I gave up searching for that. I've tried to buy L4 and then add heat sleeve or replace base grip with the thickest I've found (Karakal X-Cel Gel) but there are at least...

Hi all, I have the following dilemma. My hand works ok with a grip size L5 (4-5/8 inches) although according to all websites I checked I'd need even a bigger grip size. E.g. when I measure my hand with this method http://protennistips.net/tennis-racquet-grip-size/ I get more than 150mm or 6...