The ISOfrane watch straps were so revolutionary that they quickly became the standard. When the manufacturers of some of the world’s most iconic dive watches were looking for a dive watch strap, they turned to ISOfrane.2010 marked the return of ISOfrane, Today’s ISOfrane straps are manufactured using a new rubber compound guaranteeing a strap that is softer, more comfortable and durable than anything else on the market.Hypoallergenic, with a superior fit and feel – and 100% Silicone free! The modern ISOfrane dive watch bands have been designed to replicate the original ISOfrane straps. They bear the same attention to detail as the original with the ventilation straps and straight end lug attachments. The ISOfrane watch band is the perfect addition to any dive watch – vintage or modern.