This after only five months of daily use, with two-three flip-ups per use. Editors Response: Im not aware of any general problem like this, perhaps other owners can respond
As an active person trying to hydrate more, I also appreciated the side pockets that securely held my water bottle (I bent over, and it didn't budge)
The tree provides a nesting place, while the birds presence does not affect the trees health
GPS is another nice feature to have but isnt necessary since many riders also track their adventures with cycle computers or apps
Materials: fabric: 50% polyurethane, 50% polyester, zippers: waterproof aqua guard coil zippers Dimensions: 39cm (h) x 28cm (l) x 9cm (w) Straps: Adjustable, max length: 70cm, min length: 60cm Volume: 13L Weight: 760g Fabric column pressure: 8000m Laptop pocket fits up to a 13 device Care instructions: wipe clean with a damp cloth