how to determine the size needed? thanks.
You have to take measures from the parts that are shown
I'm 5'8" 163 lb and Medium is perfect for me. They are true to size. So order the size you usually wear. Great suit for tropics. No need to pay twice the price for different suit.
For me i go one size larger then i usely wear .I have a larger torso ,chest ,and back and if i get a XL shirt its tight on top but feels good.As for my jackets i always get 2XL because it gives more room to breath.So when i chose my wet suit thats what i went by because i wear a tight UA shirt underneth . Hope this helps you out in some way.
Just look for the size chart and take your measurements specially your weight and height and compare in the range zise of the chart, for me it worked perfect, Also If you are a little bit off size don't worry the PFF guarantee will cover you to exchange your item for the wright size
When I sized mine I was more worried about height then I was width since I am so tall. The best thing to do is Use a wet suit size chart. Cressi has one by height and weight I believe and it can be foun on their website. I'm on my mobile phone and can't navigate theirs website at the moment, but I believe it is www.cressi.it/Sizechart. I used that and my wetsuit fits nicely.