Seac Motus Freediving FinsMotus Freediving Fins The Seac Motus long fins are loved by freedivers and underwater fishermen from their first experience thanks to the outstanding comfort of the foot pocket and the ease of finning. The 22 angle between the blade and foot pocket optimizes thrust with minimum effort. The Seac Motus freediving and spearfishing fins are easy to put on thanks to the full foot pocket that is made in a double thermoplastic material: a harder rubber for