Shaka Packs are made to order. Current build time, 6-8 weeks.
Access snacks and small items while riding. This bag is made to strap directly to top tube & strap to the seat post.
Exterior shell: Cordura 1000d & X-Pac waterproof fabrics.
Have a closer look at materials here.
3m or similar tape under all mounting areas is recommended to protect your paint.