Features (reference to image below)01 Outer PC Shell02 EPS Liner03 Aramid fibre grid for protection and durability04 Size adjustment system05 Aerodynamic ventilation channel system 15 vents06 Designed to provide more coverage and additional protection of the temples and back of the head07 Adjustable visor protects your eyes from rain, sun, mud and tree branches Read the Wiggle review of the POC Trabec Helmet here. Aramid BridgeTo create a low weight protection structure that was uncompromisingly strong, POC moulded aramid to key areas of the helmets foam liner, creating durability and adding strength. The aramid weave is virtually unbreakable, creating a heightened structural stability that will deliver extreme protection during impact….