The Seac Motus Camo Long Fins are for freediving or spearfishing with longer & more flexible blades to move you through the water with minimal effort. The medium stiffness blade is a great all-purpose blade that has a strong effort to speed ratio. The technopolymer blade is tough so you can use it in & around rocks without worrying about breaking the blades with a nudge. Specifications Weight pair: approx 1.7kg