The 3SA3 boots were originally designed for arborists that needed very flexible chainsaw boots. It has now become an allround boot that is equipped with a supple sole and shaft and offers a class 2 chainsaw protection. Nubuck leather | No lace hooks = no rope damage during treeclimbing | Very supple sole and shaft | Sewn sole | 100% Nubuck hydrophobic leather 2,0mm-2,2mm thick | 1mm-1,2mm thick leather lining, 1 mm thick velvet and high-tenacity textile.