Constructed of 1000 denier CORDURA® , the MARK IV jacket is overbuilt to last. It has double layers of CORDURA® on the Elbows, Shoulders and Cuffs for reinforcement. Its remarkable durability is only rivaled by its incredible fit and functionality.
JS Watch Islandus 45 Years Anniversary Edition Honors A Watch Maker - by Patrick Kansa - see more about it on aBlogtoWatch.com "It is not unheard-of for a watch brand to issue a special edition of one of their watches to commemorate some special event - say, the 50th anniversary of a model being released, or the company having been in business for so many years. What is less common is to celebrate a milestone being hit by the master watch maker for the brand..."