- High-density foam blocks: 5 cm thick and 15 cm tall provide optimal buoyancy to stabilize the body’s center and alignment during swimming. The ergonomic shape follows waist and abdominal contours to ensure secure weight distribution. - Patent-pending Snap-Fit modular system: a modular system with detachable flotation inserts enables progressive overload training. Exact patent details are not disclosed. - Safe and stable: non-slip structured panels combined with breathable mesh fabric promote stability during aquatic training and help prevent skin irritation. - Easy to carry: a modular portable belt with compact packaging prioritizes convenience and space efficiency. A waterproof storage bag protects the essentials from moisture and humidity, and the lightweight material dries quickly after use. - Use scenarios: - Lap swimming and endurance workouts in pool or gym to improve stability and core control. - Water aerobics or rehabilitation sessions requiring gentle buoyancy. - Progressive flotation-based resistance training by adding or removing flotation inserts.