Two youth 56cm full-shell alpine ski helmets for sale Full shell helmets are the traditional style of helmet in which part of the hard shell covers the ears of the skier. This increases protection to the sides of the head and the ears. This is the only type of helmet allowed in ski racing programs (ie: Nancy Greene). All are used, but in good condition. $45 each. Below is the info on each individual helmet... a) Gabel Ski (Small 56cm) b) ***SOLD*** c) Gabel Ski (Small 56cm)