C4 D&D Apnea Collar Deep and Dynamic Adjustable for Diving (D&D 1.4 kg Black)

C4 Freediving D&d & Dyno Weight Set. Achieve perfect buoyancy and flawless trim with the C4 D&D & Dyno Neck Weight Set. This revolutionary system features an ergonomic collar for unmatched stability and a modular design using individual DYNO weights for precise, incremental adjustments. Its hydrodynamic, low-profile fit reduces drag, conserving your energy for longer, more efficient dives. The secure design eliminates shifting, while a quick-release buckle ensures paramount safety. Fine-tune your performance for any freediving discipline and become one with the water. C4 Freediving D&D & Dyno Neck Weight SetAchieve the pinnacle of underwater performance with the C4 Freediving D&D & Dyno Neck Weight Set, the ultimate solution for perfecting your buoyancy and trim. Expertly engineered for competitive and recreational freedivers, this modular system of neck weights is designed to provide unparalleled stability, comfort, and hydrodynamic efficiency across all diving disciplines. Whether you are gliding through the pool in dynamic apnea or descending into the blue for a new personal best, this system adapts to your exact needs.The core of this advanced system is the D&D collar, an anatomically shaped holder that rests comfortably and securely on your shoulders and neck. Its ergonomic design is the result of extensive research into freediver biomechanics, ensuring it remains perfectly in place without shifting or bouncing, even during powerful dolphin kicks or turns. This stability allows you to maintain a flawless hydrodynamic profile, reducing drag and conserving precious energy and oxygen. Say goodbye to distracting adjustments and hello to pure, focused diving.What makes this system truly revolutionary is its modularity, powered by the individual DYNO weights. This allows for meticulous, incremental adjustments to your weighting, enabling you to achieve perfect neutral buoyancy with any wetsuit in any water condition. The D&D collar is designed to house the DYNO weights securely, with a simple yet robust locking mechanism that gives you confidence in your setup. This micro-adjustment capability is critical for elite performance, where even the slightest imbalance can impact your efficiency.Safety is paramount in freediving, and the C4 D&D system integrates a reliable and easily accessible quick-release buckle. This essential feature ensures you can ditch the weight instantly and effortlessly in any situation, providing peace of mind as you push your limits. The entire system is crafted for durability and a streamlined feel, helping you become one with the water.Key Benefits & Features:* Perfected Diving Trim: The anatomical collar and modular weights enable precise weight distribution for an optimal horizontal or vertical body position.* Superior Hydrodynamics: A smooth, low-profile design minimizes water resistance, enhancing glide and overall efficiency.* Unmatched Stability: Ergonomically engineered to fit the body, preventing any movement or bouncing during the dive for complete focus.* Fully Modular System: Easily add or remove individual DYNO weights to fine-tune your buoyancy for different disciplines, wetsuits, or water salinity.* Enhanced Safety: Equipped with a highly reliable, quick-release system for immediate and easy ditching of the weights when necessary.* Versatile Application: Ideal for all freediving disciplines, including Dynamic (DYN), Dynamic No Fins (DNF), Constant Weight (CWT), and Free Immersion (FIM).Technical Specifications:* Product: D&D & Dyno Weight Set* Category: Freediving Neck Weights* D&D Collar Base Weight: 400 g (approx. 0.88 lbs)* Individual DYNO Weight: 255 g (approx. 0.56 lbs)* Collar Capacity: Holds up to 6 individual DYNO weights* Total Maximum System Weight: 1930 g (approx. 4.25 lbs)* Adjustment Increments: 255 g. tradeinn Diveinn

Segment Lead Set for D&D Basic Collar Weight Configuration: 500g + 380g + 280g + 210g Suitable for those who own the basic 1.6 kg D&D collar and want to change the configuration according to their needs. All segments are made of lead coated with a comfortable thermoplastic rubber layer. The ability to customize the weight of the collar using additional leads makes the collar more stable during use, following the needs of the freediver especially at the moment of turning. An advanced design that ensures high performance, comfort and practicality in any situation. 100% Made in Italy by C4.