Small (2.6–3.0m / 8.5–9.8ft) – Suitable for Zander, Neptune, and Pioneer kayaks.
Medium (3.0–3.5m / 10.7–11.4ft) – Suitable for the Adventure 350 kayak.
Large (3.5–4.0m / 11.8–13.1ft) – Suitable for Sunfish, Orca, Barracuda, and Voyager kayaks.
X-Large (4.0–4.5m / 13.4–14.7ft) – Suitable for Adventure 450 and Gemini kayaks.