Backpack
Large Optimist Backpack 18L
- Exterior size
- 45.7 × 27.9 × 12.7 cm
- Capacity
- 18 L
- Empty weight
- 0.34 kg
Brand directory
Flowfold bags
Compare 4 catalogued models using published exterior measurements. BagCheck keeps source-backed bag facts separate from airline-policy conclusions.
Check Flowfold bagsCatalogue snapshot
What is covered
Every listed model has usable three-axis exterior dimensions. Slings and waist packs is the largest group, with 2 models. Published empty weight is available for 4 of 4 models. A close fit still deserves a packed-bag measurement before travel.
- Eligible models
- 4
- Bag groups
- 3
- Capacity range
- 3–18 L
- Weight range
- 0.2–0.4 kg
Models
Browse Flowfold
- Exterior size
- 25.4 × 22.2 × 5.1 cm
- Capacity
- 3 L
- Empty weight
- 0.18 kg
- Exterior size
- 42.9 × 31.8 × 11.4 cm
- Capacity
- 15 L
- Empty weight
- 0.4 kg
- Exterior size
- 31.8 × 27.9 × 10.2 cm
- Capacity
- 9 L
- Empty weight
- 0.31 kg