Musto 2.5mm Long John Wetsuit SO0990 NEW 2012 Fit is key to a wetsuit and we have worked hard to ensure that Musto wetsuits are comfortable, durable, and easy to move in, with super glide comfort apertures to help get in and out, 2.5mm/1.5 Thick with Titanium Layer. Super Stretch panelling for optimum movement. Titanium layer for heat retention. FLATLOCK seaming to reduce chaffing. Anti abrasive seat, knee and shins for extra durability and comfort. Bar-tacks to trim leg length.