Sac de randonnée anti-mal de dos avec exosquelette – Helsinki Bleu Gravipack® 60L + 10L

This backpack is designed to reduce back pain during long hikes and treks, featuring patented Gravipack technology.

• The description claims the backpack reduces back pain.
• The description claims the backpack corrects posture and relieves arms and hands.
• The description claims the backpack fights musculoskeletal disorders.
• The description claims the backpack is recommended by ergonomists.