The altura vortex waterproof compact seatpack boasts an ipx 6 rating because of its welded seam construction and hyperlon reinforced areas making the vortex protected against heavy rains but not submersible and perfect for bike packing and commuting the vortex uses a simple hook and loop mounting system with featuring reflective details to help improve visibility the vortex uses a simple hook and loop mounting system with a roll top closure top lash points and kross side rele