The Billingham BPH Backpack Harness (Khaki with Tan Trim) provides the facility to turn a shoulder bag into a rucksack. The harness attaches to the five loops of specific Billingham models.
| Material |
Exterior: Web material Exterior: Tan leather trim |
| Attachment Method | Attaches to the five loops on shoulder bag |
| Weight | 1.1 lbs (500g) |