The Waterproof 3mm neoprene neck seal offers a stretchy replacement option for compatible WP, SI TECH Neck Tite and Quick Neck systems. Its neoprene construction adds insulation around the neck while the smooth Glideskin surface forms the sealing contact.
Features and benefits
- Yamamoto Superstretch 4000 neoprene: flexible 3mm material allows comfortable movement while adding a thermal layer around the neck.
- Glideskin sealing face: the smooth surface is positioned against the skin according to the fitting instructions to help restrict water entry.
- Replaceable-system compatibility: designed for the listed WP, Neck Tite and Quick Neck interfaces. Match the retaining components and size before fitting.
Technical specifications
| Material | 3mm Yamamoto Superstretch 4000 / Glideskin neoprene |
|---|---|
| Systems | Compatible WP, SI TECH Neck Tite and Quick Neck |
| XS–S neck circumference | 31–33cm |
| M–ML neck circumference | 34–37cm |
| L neck circumference | 38–40cm |
| XL–XXL neck circumference | 41–43cm |
| 3XL neck circumference | 44–47cm |
Fit and use
Measure your neck and use the size guide above. Confirm your retaining system and follow its installation instructions. The seal must be comfortable and must not restrict breathing or movement.
Care
Rinse after use and dry away from direct heat and sunlight. Handle the smooth sealing surface carefully and follow the Waterproof fitting and care instructions.

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