The K2 Thrive is a low-profile helmet with efficient protection and simple handling. 
The ABS outer shell and EPS foam inside provide impact protection, while vents offer pleasant air circulation. The fit system allows for adjusting this helmet to perfectly fit the shape of your head.   

Construction
A hard-shell construction made of a solid ABS shell and EPS foam inside offer protection even during harder crashes.

Ventilation
The Passive-Channel Ventilation allows for perfect air circulation.

Fit System
The K2dialed Fit System can be easily and finely adjusted by using the adjustment wheel. An ideal fit and high wearing comfort are guaranteed.

Features:Passive-Channel VentilationK2Dialed™ Fit SystemWashable Full-Wrap Liner SystemTool-free removable goggle clipSummer Pad KitWeight: 500gBike Certified / ASTM F2040, CPSC (16 CFR 1203)EN1077: 2007 (Class B), EN1078:2012 + A1:2012