Fjällräven Vidda Pro trousers are made of stretch material and G-1000 Eco, which ensures optimal elasticity and durability. The 5 cm shortened length allows for a better fit with trekking boots. They have ventilation zippers on the thighs and calves, spacious outer pockets with an internal organizer and removable drawstrings in the hem. They are fluorocarbon without a coating and are suitable for long-term use.