https://www.freedom-diving.co.uk/product/waterproof-silicone-neck-seal-kit/613
Waterproof Neck Tite Kit - Flex Version - No Seal | Freedom Diving
It is flexible, versatile and comfortable! It will keep your drysuit operational at all times! No more costly or time consuming repairs! It is the most...
neck titewaterproofkitflexversion