Two years ago I got the Grunden 343 Sund fleece pullover. It's 100% water proof and the material is very flexable. The hood and waist both have draw strings so when worn with waders or rain bibs it keeps you real dry. The cuffs are neoprene so you don't have water running up yur sleeves. With two years of wear on it the coat still looks new. The inside has a light fleece lining which makes it a little warm in the summer but most of the time it's fine. In the summer I wear it with a tee shirt and it's just right when the surfs rolling or raining.
The only place I've found them is at New England Marine and Industry. This page has both the 760 and the Sund.
http://www.newenglandmarine.com/Clothing/Grunden.htm
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