With the Coolmesh windtunnel back system the Delta 25 allows moisture to evaporate and be carried away from your back.

The main fabric is KS100e, a 1000 Denier Nylon fabric coated with a Silicone/PU elastomer for improved tear strength and flex resistance. Finished with a fluorocarbon durable water repellent (DWR) that improves the water resistance of the fabric.

Features
- Coolmesh Windtunnel back system
- S-shaped shoulder harness
- Sternum strap
- One main compartment
- Mesh side pockets
- Hydration system compatible
- Compression straps
- Shock cord carry system
- Crampon loops
- Ice axe holder
- Map pocket
- Rotproof thread
- Reinforced with bartacks
- Durable water repellent (DWR)
- YKK zips