ION Fuse Drysuit 4/3 Back ZipKeen on riding in sub zero temperatures? ION's Fuse Dry Suit was designed to withstand even the fiercest conditions. With safety in mind, we did not only focus on superior warmth but also made sure you get all the security gadgets you need on dark & stormy days. Focus on your riding with peace of mind, knowing the Storm_Whistle & reflective prints increase your visibility if things go south. Water proof zips, taped seams and sealing latex cuffs