Proton Step-Up High Crown S M L Body Length

S M L Body Length 20 7/8 22 1/8 23 3/8 24 3/8 Body Length Tolerance 3/4 3/4 3/4 3/4 Chest Tolerance 3/4 3/4 3/4 3/4 Chest Width (Laid Flat) 15 1/4 16 1/4 17 1/4 18 1/4 Sizes (US) 6-8 10-12 14-16 18-20

the CI Mid really stands apart from other eggs and various midlength designs out there

Designed with 4mm padding on the rails you get that extra love in your car or built-in protection in your board bag while traveling

Base:    4

Proton Step-Up High Crown S M L Body LengthThe 2010 late winter saw the Proton Step Up become the most common step up in use with the CI team. With its pronounced rocker, it is a natural choice for steep faces and on rail surfing. Single concave gives the board plenty of drive for critical situations. Scale up with your same width and thickness.