If it's winter, I think so. Leg warmers are usually thicker than thigh high socks, even for Kayhoma thigh high socks. The thermal performance of leg warmer is better than thigh high socks, especially when paired with leggings. It is a great match for many girls in winter, and there is no problem at all outdoors. In addition, they can match well with boots. Wear leggings in long boots, or stretch your leg warms above your knees, just like thigh high socks, cute and mysterious.
In addition, I think thigh high socks are more suitable for normal wear. They are neither extremely thick nor extremely thin. And it will help you shape your legs better. If these thigh high socks are long enough, they can cover your entire thigh and switch freely between thigh height and knee height at any time.
Thigh high socks are easier to match. They can be freely matched with boots and high heels, and they are especially suitable for matching with short skirts. These collocations make you look healthy, cute, and full of mystery.
In general, I think that leg guards are not a substitute for thigh high socks. Leg warmers have a good advantage in keeping warm. Thigh high socks are more suitable for all seasons.