The-Airoh-TRR-is-a-new-lightweight-trial-helmet-from-Airoh-The-Carbon-&-Kevlar-composite-fiber-helmet-has-2-external-shell-sizes-The-innerlining-is-removable-washable-&-underwent-a-Sanitized-hygiene-treatment-The-Airoh-TRR-has-upper-air-flow-vents-with-removable-closing-covers-The-helmet-weighs-only-900-grams-Features-Carbon-&-kevlar-composite-fibres-2-external-shell-sizes-Inner-liner-with-high-transpiring-netting-inserts-removable-&-washable-liner-Santitized-hygienic-treatment-for-inner-fabrics-Helmet-interior-anatomically-designed-Removable-&-washable-cheek-pads-Painted-&-UV-coated-outer-shell-Lower-protection-rubber-Adjustable-peak-Ventilation-system-Air-extractors-Micrometic-retention-system-Including-upper-vent-closing-covers-900g