Only 15 sets available

Travel Light, Your Free Dyno Neck Weight Awaits!

Focus on your performance, not your luggage. We’re providing professional-grade C4 Carbon Dyno neck weights for free to nOxyCup 2025 participants.

Book Your Neck Weight
C4 Dyno 1086x480

How It Works

To make your journey to nOxyCup 2025 easier and to support our eco-friendly mission, we are providing a free, high-performance Dyno neck weight by C4 Carbon for you on a first come first serve basis. 15 sets of neck weights are available. Leave the lead at home and simply focus on your dive.

1

Reserve Your Weight

Fill out the simple neck weight registration form below on this page.

2

Pick It Up at the Pool

Your Dyno neck weight will be waiting for you at the competition office desk on the 1st day of the competition.

3

Return After Your Dives

After the competition, simply return the neck weight to the designated drop-off point on Sunday.

Dyno Neck Weight

The C4 Dyno Neck Weight is engineered specifically for freedivers, offering a modular and hydrodynamic solution that enhances performance while maximizing comfort and safety during your dives.

  • Modular & Adjustable
    Customize the weight by adding or removing segments.
  • Moves with You
    Flexible segments follow your spine to let you move freely underwater.
  • Hydrodynamic Design
    Minimizes drag for smoother, more efficient dives.
  • Quick & Easy Setup
    Simple assembly and adjustment, even at the pool.
  • Specs
    6.0 kg (adjustable), colors: black or red.
C4 Dyno 2

Reserve Your Free Neck Weight

Secure a C4 Dyno neck weight for nOxyCup 2025 by filling out the form below. Only 15 neck weight sets available. Reservations are processed on a first-come, first-served basis.