Long-staple cotton is the best material for thigh high socks! Because it is the most skin-friendly, because it is soft, because it is the best cotton material. Ordinary cotton yarn is 2 grades lower than long-staple cotton in every aspect. And those thigh high socks which use polyester as the main material are just Halloween costumes, don't expect them to have good quality performance.
The long-staple cotton makes the thigh high socks softer. High-quality cotton yarn is the best material for making all underwear. The fibers of long-staple cotton are more than 1 inch, and they are much softer than ordinary cotton. The long-staple cotton fabrics are friendly to the skin, they won't make your thighs itchy, even if you sweat.
The long-staple cotton improves the ability of the thigh high socks to maintain temperature. Long-staple cotton will make the fabric density of thigh high socks higher. Knitted socks have small knitting gaps, these long fluff will fill these gaps, so that thigh high socks can better block the transmission of temperature. They can support you to switch between indoors and outdoors in winter.
This is why Kayhoma uses long-staple cotton to make thigh high socks. Although they look similar to other socks in the picture, they are completely different thigh high socks.