We have those same boots on our 268 but a word of caution when using those if you tow due to a recent experience of ours. This summer we towed over 10 hrs from Indiana to Southern Ontario and I used those boots instead of taking everything completely off and storing inside the boat like i normally do. When we arrived it was discovered that the boot flapping in the wind caused the zipper to chew through our bimini and cause a massive 10 inch long hole. Luckily I had a roll of black Gorilla duct tape that held for our entire 2 week trip or it could have been a disaster.
Ive also heard of those boot unzipping going down the road and the top becoming a sail. If you are only using it while boating then theres really nothing to worry about. Be careful when unzipping the rear top as that middle bar likes to swing downward and hit your head

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2005 268 Vista "Sea Pickle II"
1979 AMF Alcort Puffer
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2003 FW190 Horizon
1973 Startcraft 18ft "Sea Pickle"