How it surfs
The Good Ride's long-term review is the most useful independent account of how it actually surfs. Their tester surfed it in 34 to 50 °F water and called it "an incredibly stretchy wetsuit for those who want the easiest wetsuit to move in", adding that it does not feel like a 5.5/4.5 but more like a stretchy 4/3.
That same review is honest about the trade-off: it is not the warmest suit compared with Patagonia, Hotline or Feral, and the panel where the neck meets the traps is noticeably thinner and colder, which shows up on windy days.
Cleanline Surf's own write-up backs up the stretch story, describing warmth and flexibility "to a level that is unmatched" and singling out the F.U.Z.E. closure as one of the best-designed entries on the market. If pure warmth matters more than range of motion, the Rip Curl Flashbomb Heatseeker 5/4 hooded is the direct alternative.
Volume & sizing chart
Use the chart below as a starting point. Add half a litre if you are less experienced, subtract half a litre for a looser feel.
| Size | Volume | Rider weight | Best for |
|---|---|---|---|
| S to XXL | 5.5/4mm+ | Standard, short and tall fits in most sizes | All |
| MS, LS, XLS | Short fits | Shorter arms and legs | All |
| MT, LT, XLT | Tall fits | Longer arms and legs | All |
How it compares
| Board | Best at | Wave range | Aggregate score |
|---|---|---|---|
| Rip Curl Flashbomb Heatseeker 5/4 Hooded | Fastest drying winter suit | 5 to 10 °C | 9.5 |
| O'Neill Psycho Tech 4/3+ | Cold-water flexibility | 9 to 14 °C | 9.5 |
| Rip Curl Flashbomb Fusion 4/3 | Zip-free stretch | 9 to 14 °C | 9.5 |
Verdict
The stretchiest winter hooded suit most surfers will try, with fluid-welded seams and a genuinely good chest entry. It trades a little absolute warmth for that mobility, and the thin neck-to-trap panel is a real criticism, but for cold water sessions where you still want to paddle freely it is hard to beat.