The Osprey Aether IsoForm5 backpack harness provides outstanding fit and comfort for especially heavy loads and long miles. Along with 3D dual-density foam that's contoured to fit your torso, the harness system includes Stow-on-the-Go trekking pole attachments.

Specs

• Interchangeable sizes for a precise, personalized fit
• Adjustable suspended harness with structural load lifter bar for load transfer and comfort
• Die-cut 3D dual-density foam lower and mesh ExoForm wrap upper
• Adjustable sternum strap with safety whistle
• Stow-on-the-Go trekking pole attachments
• Compatible with Aether packs