The standard Chinook comes with a WW deck. Custom Lab reverses that — giving you the option of an open deck or a flatwater spray deck instead.
If you want the Chinook’s hull without the full whitewater setup, or you want a lighter and simpler configuration for calm water use, Custom Lab is how you get there.
This page is the Custom Lab order intake for the Chinook model.
Custom Options
Deck Configuration
Open (+¥0) AlpackaRaft’s simplest, lightest, most economical build. Best for calm conditions and warm water where a deck isn’t needed.
Flatwater Spray Deck (+¥43,800) Keeps the cockpit dry from rain, paddle drip, and light splash. Kayak-style large cockpit with an integrated PEX skirt rim. Designed for flatwater — not a whitewater deck. Spray skirt sold separately.
Cargo Fly
| Option | Cost |
|---|---|
| No cargo fly | +¥0 |
| With cargo fly | +¥30,700 (dry bag sold separately) |
Fabric and Color Options
| Fabric | Additional cost |
|---|---|
| Standard 210d | +¥26,300 |
| 420d | +¥70,000 |
Multi-color panels are possible — specify on the worksheet.

How to Order
Step 1 — Download the worksheet
→ Chinook Custom Lab Order Form (PDF)
The first page (“Instructions”) can be left blank. Fill in the second page only.
Steps 2–5 follow the standard Custom Lab process. See the Custom Lab Expedition order guide for a detailed walkthrough.
⚠️ No changes, returns, or exchanges after the order is placed.
Standard Chinook Model Page
Custom Lab Order Page
→ AlpackaRaft Custom Lab Chinook — Packraft Hokkaido Web Shop




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