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Sentinel Series Replacement Immersion Module (Neoprene Seals and Drop-Seat) for MSD643 22

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This replacement immersion module is the first layer in the 2-layer Sentinel™ Series dry suit. It is constructed with military grade GORE-TEX® BD6.5 waterproof breathable fabric, and includes rapid repair neoprene wrist and neck seals.

Our Sentinel™ dry suits are in use by US Coast Guard and validated by NAVAIR, SAR Model Manager Office, Naval Special Warfare and water rescue professionals.

Neoprene seals and drop-seat not shown in image

Recommend for:
Coast Guard
Model Number: MA0643

  • Features
  • Specifications
  • Additional Information
  • Related Products
  • Made with military grade GORE-TEX® BD6.5 waterproof and breathable dry suit fabric
  • Rapid Repair Technology trim-to-fit neoprene neck and wrist seals
  • Neoprene & Rubber Seals are interchangeable at the unit level using the Rapid Repair Technology
  • Optional: MSL601 Sentinel Dry Suit Liner is designed specifically for the Sentinel Series dry suits to maximize comfort, mobility and immersed hypothermia protection.
  • New zipper design for entry. More comfortable, easier to operate and less maintenance required than traditional dry zippers
  • Two-point attachment removable suspender system for improved fit, mobility and comfort (internal suspenders included)
  • Relief openings for either male or female
  • Integrated universal size GORE-TEX® Dry Socks (Size XL+ come with jumbo socks)
Sizing Chart

The Mobility Based Sizing™ platform offers users a semi-custom suit that reduces bulk and increases range of motion, with 24 different sizes available.

For accurate measurements, please refer to the measurement instructions provided here: