The Sak III offers excellent carrying and passive protection for the Kortel Kruyer III mountain harness. Its volume has been increased compared to the previous version, for use with standard gliders. Like the previous version, its installation on the Kruyer III provides better lumbar support with the associated adjustment. This support also improves the harness support when turning. The airbag function always provides additional passive safety. Features A protective cover adapted to the size of the bag. Stick holders. Compression strap. Side pockets. Passenger option allows you to neutralize the upper chamber for using as a tandem passenger harness. Additional lumbar support increases the comfort and precision of the harnesses on which it is mounted. Data Volume: 70L Weight: 1kg CE approval, LTF Sizes S: for Kruyer III S / M L: for Kruyer III M / L / XL Downloads User Guide Manual