Top quality StrecthAir trousers, with all-round protection (Type C).  Designed for Arborists and Climbers.  Pfanner, the manufacturers, pride themselves on the quality of their garments.  The attention to detail is impressive, with sturdy fabrics being used, and stress areas such as knees givne extra reinforcement.  Protection conforms to EN 381-5, class 1 (20 metres per second).  Outer material is hi vis orange, with reflective bands on the lower leg - see picture.