3-litre reservoir 1-litre side access zip pocket Removable waist strap Unique QUADLOC harness: adjustable back length with total arm freedom Side access pocket Removable waist strap SUPERSPACE: 5mm airspace back YKK water-resistant zips HYPALON: abrasion resistant re-enforcement Schoeller DYNATECH with integrated 3M Scotchlite 420D nylon ripstop: lightweight yet extremely strong 3M Scotchlite: reflective logo LED rear light mounting loop 10 year guarantee 400mm H x 170mm W x 70mm D (15.7" H x 6.7" W x 2.8" D)