They love short tight turns and are similar in construction to slalom skis. One piece of advice - avoid using skis that have any metal in their construction as they may bend. Acro skis are very short skis that are used for spinning and flipping. Only used with extra long poles. Formally known as 'Ballet Skiing'.
Aerial skis are short for manoeuvrability, but strong enough to take the impact.
Helmets are a must. Mogul and free skiers sometimes go for softer race boots that give them more freedom of movement as well as easier landings. For freeriders, snowboarders and Big Air fans Padded shorts, knee, elbow and back protectors are mandatory for extreme lovers who come up against rocks, cliffs and steep gullies. Whatever kind of racing you do, you have to keep your kit in excellent condition. If you spot an omission or error on this page please let us know.