Fjallraven Vidda Pro Ventilated Regular Leg Trouser Dark Grey / BlackDurable trekking trousers with technical features, made from wind and water resistant G 1000. The model is based on Fjallravens best selling Vidda Pro but has improved ventilation options and a new, slightly slimmer fit that still has great freedom of movement. The buttoned strap adjustments at the leg endings can be removed and there are numerous practical pockets and details such as a knife pocket on the right hand leg and a loop for an axe on the