Rab Airox 22L ND Daypack Cool Back, Long Days Hot days and steep trails are where the Rab Airox 22L ND Daypack earns its place. The pack uses the groundbreaking AEROFIT(TM) back system, with suspended mesh to hold the pack away from your back and keep air moving, so you stay drier and more comfortable on long efforts in warm conditions. The ND fit uses narrower dimensions to match smaller frames, and the 140D ripstop nylon shell handles the wear and tear of regular trail use without adding unnecessary bulk or weight. Features AEROFIT(TM) suspended mesh back system keeps air flowing between pack and back to reduce heat and sweat buildup Narrow Dimensions (ND) fit proportioned for smaller frames and women's-specific back lengths140D ripstop nylon construction durable enough for trail use without sacrificing packability2L hydration sleeve with H2O port hands-free water access on the go | Rab | Airox 22L Nd Daypack | Nylon