The most important rule for choosing the right Expedition size: don’t decide by height alone.
The four factors that actually matter are: height, weight, how much gear you’ll carry, and the type of river you plan to paddle. For river tripping in particular, how the boat performs under load is what determines whether the choice works.
How the Sizing Works
The Expedition is available in S, M, and L sizes (exact availability may vary by model year). As size increases, buoyancy grows, tracking stability improves, load capacity goes up — and weight increases slightly.
Height guidelines (still-water baseline):
- Up to around 170 cm → S to M
- 170–180 cm → M as the center
- 180 cm+ or larger build → L recommended
These are a starting point only. For river trips, this isn’t the whole picture.
River Trip Sizing: Think Loaded
If you’re planning to paddle with camping gear — tent, food, dry bags, camera equipment — add a size up from your baseline. With extra buoyancy in reserve, the boat stays more stable, handles waves better, and becomes easier to maneuver when loaded.
Choose Your Exact Size If…
You’re doing mainly day trips; your gear load is light; maneuverability and weight are your priorities; or you want the most packable option.
Go a Size Up If…
You’re planning overnight or multi-day river trips; you’ll be paddling Hokkaido’s mid-size rivers or similar; your route includes moving-water sections; or you want room to grow into harder trips.
For all-around use with flexibility for the future, a little extra room tends to mean fewer regrets.
Common Sizing Mistakes
Choosing by looks or feel rather than intended use; optimizing purely for minimum weight; and judging by body weight alone without accounting for gear.
The key shift: think of yourself plus your gear as the total load the boat needs to carry.
The Decision Framework
Day trips and light loads → your exact fit size River tripping and loaded paddling → one size up
That’s the core logic. When in doubt, lean toward the larger size for river use — buoyancy is harder to add later.
Product Link
AlpackaRaft Expedition 210d WW Deck, Thigh Strap, Cargo Fly [2026] → Packraft Hokkaido Web Shop
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