Charles Owen MS1 Pro Jockey Skull - 54cm Oval Hat Size:0 1/2 | 54cm | 6 5/8 The port is ¼" high

The port is ¼" high - just high enough to allow the horse to elevate the tongue and swallow

Large and X Large

a ported mouthpiece that collapses on to the outer lip and bars

Available in either black or clear

As your final preparation

Charles Owen MS1 Pro Jockey Skull - 54cm Oval Hat Size:0 1/2 | 54cm | 6 5/8 The port is ¼" highThe Charles Owen MS1 Pro is a ground breaking jockey skull and the first of its kind to incorporate MIPS technology, enhancing the level of safety and protection offered by this helmet. Click here to read more about MIPS technology. This MS1 Pro has three certifications to three international equestrian standards, so with the MIPS technology included this is Charles Owen's safest helmet to date. Whether you are galloping, jumping or just hacking out,