I have at least 8 pr now since they went on sale...very comfortable & durable with lots of pretty colors and patterns. The slim style looks more elegant on the foot. With regard to sizing, I wear a Women's size 10 and still buy the 41/42. This makes them just slightly longer than my foot, which is my preference. Once you find the right size for you, they are pretty consistent. Don't think I'll ever buy another brand of flip flop!