We've all been there - suited up, looking forward to the dive and suddenly we find a torn neck seal or worn out wrist seal. The choice: an uncomfortable (wet) dive or, cancel the dive until repairs can be made. With Seal Lock Technology, the fix is simple. Seal-Lock Technology (SLT) is a modular seal replacement system that incorporates a neck ring retainer and compression fit wrist ring seals. Simple, innovative, and convenient, SLT enables quick and easy change out of worn or torn seals in the field and best of all, anyone can do it. SLT features all new silicone neck and wrist seals and is a must-have option on any Fusion Drysuit. SLT Upgrade Kit Includes (Factory Installed): SLT neck ring assembly SLT wrist ring cuffs One silicone neck seal Two silicone wrist seals Neck ring installation tool Silicone Seals The SLT system has the added benefit of allowing the use of all new Silicone neck and wrist seals. Silicone seals offer many unique benefits to the Drysuit diver: Incredibly stretchable No latex allergy 100% UV and Ozone resistant Low maintenance Low friction Puncture resistant SLT Rings (Oval vs. Round) The SLT system comes standard with oval rings. The oval rings offer a lower profile for managing your gear and accessing equipment within pockets. Round rings to fit older systems are available as a made-to-order (MTO) option.