The fins sit well at the bottom, give good propulsion under water and do not scrub (my friend had the fins of Salvas Caiman, he said he can barely keep myself).
Good workmanship - the fins of Salvas Caiman had one week small white wrinkle in plastic by the bending of the fin, the Pluma not.
Only the sizes are a bit strange:
I have a 39 and I fit the 37/38,
on the other hand fit my friend even though he Gr. 44 has the Pluma 43/44 not (too small), but the Salvas Gr. 42/43!
Why not 5 stars.