Samshield - XJ DARK LINE - MATTENew to the Samshield Carbon Fibre family The XJ Dark Line Edition Helmet. The XJ Riding Hat is available in a matte or gloss black finish with a self coloured Matte trim. The Samshield XJ Riding hat is certified to ASTM 1163 SEI, PAS015, and VG1. The outer shell of the XJ helmet is made of pure carbon fiber, a composite material providing an unbeatable strength to weight ratio. The inner shell is made of polystyrene with a variable density providing a