Size    Circumference at knee    Length   To fit leg circumference                                                                                          (at top  of calf)

Lower holes for connecting a lanyard and installing a foot loop with a quick link

reliable operation and long lifetime as petrol-driven machines – without any direct emissions

Specifications: Length: 190mm Weight: 270g

even in muddy or icy conditions

Protos Integral Arborist Safety Helmet Product Type_Fuel Containers & Lubricants Size Circumference at knee LengthThe Protos Integral Arborist Helmet is a lightweight, comfortable, full coverage helmet for all arboriculture work. Protos (named after the ancient Greek word for "the first") is a premier head protection brand created in Vorarlberg, Austria, by the equipment manufacturer Pfanner. Designed originally for forestry and arborist work, it is widely considered one of the safest, most ergonomic helmet systems available. Key Features All In One Integration: