The mid-calf crew length L & XL come up to my knees on my 5'2" frame.I am a 6.5 shoe, both the L & XL is several inches too long in front of the toes (as feared/predicted) but a nice fit on my 16-inch calves. The circumference guide is great for fitting the ankle and calf area. just wish my ankle and calf were more "standard" sized compared to my foot.Overall, I love the cushioning under my feet, I love the crew sock look/feel of the material, and the fit from the ankle up over my calf, just wisSee full review