Giant Shadow ST Seat Bag's feature water resistant ProTextura™ fabric construction with a water-resistant nylon zip. A simple anti-slip hook and loop Velcro® strap fitting allows easy removal and fitting and the reflective strip offers improved low light visibility with a tail light hanger for adding your own light.

Features 

• ProTextura™ water-resistant nylon and zipper keeps contents safe and dry
• Reflective strip and taillight hanger provides optimal visibility and safety
• Anti-slip hook-and-loop straps securely attach to the seatpost

Sizing

• 37 cubic inches
• 61 cubic inches
• 92 cubic inches