Fr trail blackline protector backpack 20l high end daypack with integrated back protector boasting a revolutionary combination of a body hugging fit and a completely ventilated carrying system with breathable hip belt this blackline is a technological flagship for bike backpacks that also serve as personal safety equipment pse tvgs certified back protector ce certified en 1621 2 back can be separately worn as protector liteshield carry system air 2 step zip system attachment system for