You want your kid's ski pants to be as insulated as possible – the best options are insulated pants and shelled pants. Insulated snow pants with at least 100g and above provide the need insulation to keep warm and block out cold air and wind.
Shelled ski pants also work great due to their versatility as well as waterproof and windproof make. They are also breathable and moisture-wicking, thus, they are extremely functional. Along with the proper insulation, it is very important to layer your child’s ski clothes to ensure they are warm.