Fourth Element Si-Tech Silicone Neck Seal System is constructed from hypoallergenicic silicone that have 40 % better stretch and offer enhanced comfort compared to latex seals.
Divers with latex allergies can dive carefree, knowing that the seals are non-allergenic. The seals are durable and resistant to degradation by UV light, ozone or chemicals. The elasticity makes donning the suit much easier and it seals with your skin more effectively.
Note! Silicone seals can not be glued to the suit and must be installed with the Neck Tite system.