Freediving and Spearfishing Fins Bm30 Black-Blue 39-40 Seac 71-56N-39-40
In stock
Estimated delivery: June 10, 2026 - June 12, 2026
Freediving and Spearfishing Fins Bm30 Black-Blue 39-40 Seac 71-56N-39-40
Description:
The SEAC BM-30 fins are designed for freediving and spearfishing, combining efficient propulsion with a comfortable, responsive fit. They feature SEAC’s FRC™ (Fully Responsive Compound) technology, developed to deliver performance comparable to carbon and glass fiber while offering greater durability. The blade is made with two different materials: a stiffer sole for stability and a softer upper section for comfort during longer sessions. Its 30° angled design helps support both surface finning and the natural position of the ankles underwater. Small stabilizing fins at the blade tip help reduce sideways drifting without compromising flex or power. The fin blade is thin, resilient, and designed to avoid breakage or permanent deformation, even in low temperatures. These fins are made in Italy and reflect SEAC’s focus on high-performance construction and ergonomic geometry. The black-blue colorway gives them a clean, technical look suited to serious aquatic use.
Key Features:
- Designed for freediving and spearfishing
- FRC™ (Fully Responsive Compound) technology
- Blade performance inspired by carbon and glass fiber characteristics
- Two-material blade construction for balanced stability and comfort
- 30° angled blade for improved finning efficiency
- Stabilizing fins help prevent sideways drifting
- Resilient blade designed to resist breakage and deformation
- Thin fin blade with strong mechanical responsiveness
- Made in Italy
- Suitable for prolonged use in the water
Specifications:
Manufacturer: Seac
SKU: 71-56N-39-40
Color: Black-Blue
Size: 39-40
Category: Fins
Age Group: Adults
Gender: Unisex
Recommended Use:
These fins are best suited for adult freedivers and spearfishers looking for a responsive, high-performance fin for underwater propulsion. They are especially appropriate for users who want a balance of comfort, blade flexibility, and stability during regular training or open-water activity. The angled blade design supports both surface movement and diving, making them a versatile choice for different phases of the dive. Their durable construction and resilient blade make them a practical option for repeated use in demanding aquatic conditions.