JamesBon92007
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I assume that from your comment about your 2.5 mm wet suit being fine that this is your normal dive gear ? I'm trying to decide if mi going to buy a 3mm as well as the new 7mm I will likely need to get (I'm moving back to NZ and I don't think my 5mm will cut it in the colder water.. the 5 mm is only really working in Perth with the thermal vest but no hood) tho i guess getting a 3mm and wearing both would work
Now that I'm old and retired and have the time and money I do most of my diving in the tropics so I guess you could call it my "normal" gear now. It used to be a 1/4" farmer john with hood and booties for Southern California. I have gotten by with the 2.5mm suit with a shorty under it in California but I recently bought a 5mm for such places as the Sea of Cortez and Puerto Vallarta (but the 2.5mm is fine there most of the time). I finally grew out of my old farmer john so I'm going to find out if the 5mm and a shorty, along with a 7mm hood is adequate for Southern California. I would not take a 7mm to some place like Cozumel--there isn't any point. It takes up too much room in the luggage, takes way too much weight to sink it, and it's a PITA to put on. Plus you'd probably be too warm. My 2.5mm is very compact and slips right on and off On the Manta Ray Night Dive you are just sitting there so a little extra insulation might be nice but not essential. For general Hawai'i diving I've only worn a 3mm or the 2.5mm and never got too hot or too cold or even thought much about it. If you think you will get very limited use of a 3mm then perhaps you could just get a 3mm shorty for Hawai'i and then wear it under your thicker suit in NZ. I just happened to get a super-great deal on my 2.5 full suit on ebay so it's worth having even if I didn't use it all that much. For me, the shorty in Hawai'i might be a little bit light but some people dive in only a T-shirt. But I'm from California where we put on a jacket when it gets below 70F