WSM Piston Kit - Polaris - +.50 mm 50-300-05PK Supertech M8 Radium MIPS Helmet Accordions on finger and backhand

Accordions on finger and backhand for enhanced flexibility and fit

YKK® zippered back pocket for safe and secure storage

Breathable neck roll fabric with elastic and waterproof inserts

Multi-Density EPS Liner — The multi-density EPS beads are molded into a single liner

Forest Service standards

WSM Piston Kit - Polaris - +.50 mm 50-300-05PK Supertech M8 Radium MIPS Helmet Accordions on finger and backhandQuality and construction that meets or exceeds OEM Feature improved E clip design Contain piston, rings, pin and clips Additional rings available separately Order one per cylinder Skirts have a nonabrasive, expansion retarding MOS2 coating to reduce heat and friction for added power and longevity MOS2 coating actually draws heat through piston walls and out the bottom Specially hardened tops add strength to ring grooves