Giro Seam Men's Helmet

Construction
In-Mold Construction

Fit System
In-Form Fit System, Vertical Tuning

Ventilation
Thermostat Control Adjustable Venting, Super Cool Vents, Stack Ventilation

Features
X-Static® anti-bacterial padding, Compatible with all aftermarket Giro audio systems, Seamless Compatibility with all Giro goggles

Certification
ASTM F2040-11/CE EN1077

Sizing (inches)

Small: 20.50" - 21.75"

Medium: 21.75" - 23.00"

Large: 23.00" - 24.25"

Extra Large: 24.50" - 25.50"