If you wear them over a black suit, honestly, they are almost unnoticeable. I've had people do a double-take when they realize I have something on over my dry suit.
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If you're going to glue your pockets on (as opposed to having them sewn on), you might prefer the larger backing of the DSS pocket.
The large Haclyon pocket, though, is quite nice (roomy, lots of nice little touches like different compartments, sewn in bungee loops, etc).