A skier is a person who participates in the sport of skiing, which involves gliding down snow-covered slopes on skis. Skiers use specialized equipment, including skis, ski boots, and poles, to navigate various terrains, from gentle hills to steep mountains. Skiing can be done recreationally or competitively, with different styles such as alpine skiing, cross-country skiing, and freestyle skiing. Skiers often visit ski resorts, which provide groomed trails, ski lifts, and other amenities. Safety is important in skiing, so skiers typically wear helmets and other protective gear. Popular skiing destinations include the Rocky Mountains, Alps, and Andes, attracting enthusiasts from around the world.