The Evoke Orion Removable Crown Padded Helmet Liner is a padded, moisture-wicking, removable, washable, and replaceable liner designed to be used with Evoke Orion Jockey Skull helmets. It is available in black and in different thicknesses for a better fit. The sizing guide for the liners is as follows: Small - liners available from 53-56cm, Medium - liners available from 57-59cm, and Large - liners available from 60-62cm. All Orion jockey skulls are individually centimetre sized using the Orion helmet liner and the corresponding helmet size best suited to your needs. Orion Liners are also available in different thicknesses should you be between sizes. Orion Jockey Skull liners are available in Black to best match your helmet of choice.