Porthole foam back panel
The porthole foam back panel adds some extra comfort for heavier back sweaters minimizing the sticktion effect that occurs with a solid piece of fabric. The foam also gives the pack some shape and helps protect your back from hard-edged items inside your pack.
- 10mm thick closed cell foam with 10mm holes
- Durable 3.5 mesh holds the foam in place
- The foam is permanently sewn in place
- The foam & mesh adds 40-50g depending on torso size