The included D-ring is a CIE original design made from aircraft-grade 6 (6061-T6) lightweight aluminum, as used in aerospace applications, which has undergone 18 hours of barrel polishing and a matte anodized finish.

The main compartment features a two-tier design with a zipper and drawstring, offering a 2-way function to adjust the capacity.

The fabric surface, characterized by its deep hue, has been treated with a light water-repellent finish, and the reverse side is laminated with a PU breathable waterproof film, providing moisture-proof and waterproof functionality with a water resistance of 10,000mm and a moisture permeability of 4,000g/m².