OceanHunter SPIRIT Blue Fins The OceanHunter SPIRIT Blue Fins inspired and offer the most versatile range in the world today. The Spirit Fins come in a couple of different colours. Each representing a different stiffness (rigidity) of fins. This set is blue which indicates softer material which is great for anyone with a lighter kick. While many fins only start from larger sizes, the Spirit's smallest size is EU 35-36, equal to an Australian Ladies ' 4. The Ocean Hunter Spirit Fins are European designed long fins, made specifically for spearfishing and freediving. They incorporate comfortable thermo synthetic rubber foot pockets for ease of use and an angled Tri material fin for maximum thrust and acceleration. Blue indicates soft fins These fins are extremely durable and totally reactive. The unique ribbed fins angle at 20 degrees from the foot pocket for maximum performance. The innovative foot pockets are made of thermo synthetic rubber with two different grades of hardness to combine the best in comfort and performance. Available sizes (GTIN): XXS – EU 35-36/US 2-3 (9330181042010) XS – EU 37-38/US 4-5 (9330181042065) S – EU 39-40/US 6-7 (9330181042041) *all US sizing is in men’s. For women’s, choose two sizes less than your normal shoe size.