We have a thick mattress and sometimes have trouble with sheet sets being too small to fit properly. When putting the sheets on the bed the fit was good, the pockets deep enough. The sheets are a lovely fabric, soft to the touch and comfortable. The treatment used to make this antimicrobial & antifungal is interesting, it says it stays fresher longer & is moisture wicking. I would like to learn more about this. The sheets seem to be a very 
nice quality & again, I do love the fabric.