Airstripes System, flexible aluminum rails, ergonomically padded shoulder straps, position adjustment straps, infinitely adjustable chest strap, signal whistle, glasses holder on shoulder strap, ventilated hip fins, snug hip fins, round arch opening with zipper, wet laundry compartment, hydration bladder compartment (up to 3.0 liters), front pocket: mesh with buckle, tool organization unit, SOS label with emergency numbers, inner compartment for secure storage of valuables, key clip, side pocket with zipper for air pump, side smartphone pocket, rain cover, separate bottom compartment with zip-up divider, attachment loops, compression straps, reflective elements, removable seat mat, helmet holder.