The Sak K80 has been thought and designed for the walk & fly and flight-bivouac enthusiasts. It integrates the necessary and sufficient functions for this type of practice.
Adapted to the size of the bag (100g)
Single zipper for opening all or part of the bag
Trekking poles holding system
Frees your hands hands while walking (use GPS, phone, etc...).
Unique system for optimizing storage
Waterproof internal protection against sweat on the glider
Shoulder netting pockets
For cans and/or small equipment
Pre-shaping back slats
Many side-pockets accessible while walking
An additional 20l extension to further increase storage capacity