Ultra low cut, just cover the toes part and the ball of your feet; No awkward side shows outside your shoes Invisible socks for ladies, good with clothes, light and comfortable, suitable for spring, summer and autumn wear, can be used with a variety of sandals, canvas shoes, sports shoes, white shoes. Strap is a elastic rope, not tight, while hooking your heel, not easy to fall off, no matter what shoes you wear, are very good with. Soft and comfortable, sweat-absorbent, breathable, odor-proof, reactive dyeing, not easy to fade. Fits most women, fit for women shoe sizing EU 36-41