The Aerios 18 from Arcteryx has a patent-pending, interchangeable carrying system that allows you to adjust the fit perfectly to suit you. So you don't have to worry about your backpack on your tour.

The ultra-light, ultra-strong backpack grid material keeps light rain out and can handle anything life on the trail throws at it.

Features:
• Water-repellent
• 2 attachment points for trekking poles
• Elastic compression system and webbing daisy chain
• Main compartment is compatible with a hydration bladder
• Internal security pocket with key clip
• Lid compartment
• Two side pockets
• Highly breathable shoulder straps with two zippered pockets for 500 ml soft flasks or electronic devices
• Adjustable chest strap and removable hip belt
• Interchangeable carrying system in 2 sizes
• Highly breathable AeroForm back and stable frame

Fabrics:
Main fabric 1: 210d Cordura nylon 6.6, with 6.5x twisted 200d Vectran grid, 165 g/m², with DWR - 93 % polyamide, 7 % polyarylate
Main fabric 2: Powernet 240 g, 200 g/m² - 72 % polyamide, 28 % elastane
Lining: 200d polyester lining, back: 20gr PU coated w/C0 DWR, 108 gsm - 100 % polyester

Information on EU Regulation GPSR 

Name of the manufacturer: Arcteryx Equipment
Postal address of the manufacturer: 110-2220 Dollarton Highway, V7H 1A8 North Vancouver (BC), Kanada
Electronic address of the manufacturer: https://arcteryx.com/

Importer's name:  Amer Sports Europe Services GmbH
Importer's postal address: Parkring 15, 85748 Garching bei München, DE
Importer's electronic address: Arcteryx.Germany@amersports.com