Cutaway 20 | 30 | 40 Specs
Volume (in L)
| Pack | Volume to collar | Collar Volume | Total internal volume | Total external volume | Total volume |
| 20L - 16" | 17 | 6 | 23 | 8 | 31 |
| 20L - 18" | 19 | 6 | 25 | 8 | 33 |
| 20L - 20" | 21 | 6 | 27 | 8 | 35 |
| 30L - 16" | 23 | 8 | 31 | 10.5 | 41.5 |
| 30L - 18" | 26 | 8 | 34 | 10.5 | 44.5 |
| 30L - 20" | 29 | 8 | 37 | 10.5 | 47.5 |
| 40L - 16" | 28 | 11 | 39 | 12 | 51 |
| 40L - 18" | 32 | 11 | 43 | 12 | 55 |
| 40L - 20" | 36 | 11 | 47 | 12 | 59 |
Dimensions
| Pack | Base Width | Base Depth | Height to Collar Seam | Circum. at Collar Seam | Height Collar Seam to Opening | Circum. at Opening |
| 20L - 16" | 9" | 4.5" | 16" | 31.5" | 10" | 36.5" |
| 20L - 18" | 9" | 4.5" | 18" | 31.5" | 10" | 36.5" |
| 20L - 20" | 9" | 4.5" | 20" | 31.5" | 10" | 36.5" |
| 30L - 16" | 11" | 5.5" | 16" | 36.5" | 11" | 40.5" |
| 30L - 18" | 11" | 5.5" | 18" | 36.5" | 11" | 40.5" |
| 30L - 20" | 11" | 5.5" | 20" | 36.5" | 11" | 40.5" |
| 40L - 16" | 12" | 6" | 16" | 38" | 13" | 43" |
| 40L - 18" | 12" | 6" | 18" | 38" | 13" | 43" |
| 40L - 20" | 12" | 6" | 20" | 38" | 13" | 43" |
Weight (in oz) - Pack body only
*All weights are approximate - due to the handmade nature of our products, weights may vary
| Pack | Stock Packs | ALUULA Graflyte V98 | EPX200 | UltraGrid | Ultra 100X | Ultra 200X |
| 20L - 16" | 9.4 | 7.6 | 10.6 | 9.1 | 8.4 | 8.8 |
| 20L - 18" | 9.6 | 7.7 | 10.8 | 9.3 | 8.5 | 9.0 |
| 20L - 20" | 9.9 | 7.8 | 11.1 | 9.5 | 8.7 | 9.2 |
| 30L - 16" | 10.5 | 8.5 | 12.5 | 10.2 | 9.4 | 9.9 |
| 30L - 18" | 10.8 | 8.7 | 12.9 | 10.4 | 9.6 | 10.1 |
| 30L - 20" | 11.1 | 8.9 | 13.3 | 10.8 | 9.8 | 10.4 |
| 40L - 16" | 11.4 | 9.2 | 14.1 | 11.3 | 10.4 | 11.0 |
| 40L - 18" | 11.7 | 9.4 | 14.5 | 11.6 | 10.6 | 11.2 |
| 40L - 20" | 12 | 9.6 | 14.9 | 11.9 | 10.8 | 11.5 |
Weight (in oz) - Hybrid Vest Straps
- 16.0" Vest - 4.8 oz/136 g
- 17.5" Vest - 5.0 oz/142 g
- 19.0" Vest - 5.1 oz/145 g
- 20.5" Vest - 5.2 oz/147 g
- Standard sternum strap: 0.3 oz/9 g
- Elastic sternum strap: 0.4 oz/10 g
*All weights are approximate - due to the handmade nature of our products, weights may vary