The main body is made of two types of waterproof material: 600d polyester oxford with a water-repellent finish on both the vertical and horizontal sides, and PVC-coated on the back. The front is made of high-density recycled 600d polyester oxford, while the other parts are made of the same 600d polyester canvas. It comes with an original CIE carabiner with a two-compartment aluminum design. The PU label with an embossed CIE logo is made of an original thermo-sensitive material, featuring special temperature-indicating ink that turns white at 39°C (with a tolerance of ±0.3°C). This temperature indicator visualizes dangerous heat and serves as a temperature indicator for heatstroke and other conditions. The bag features a 2-way design that allows for horizontal carrying, and its distinctive pocket design features a large opening with a gusseted gusset. The interior has a laptop compartment, a knitted bottle pocket on the side, and a mobile phone zipper pocket, making this a highly functional series. The zipper uses YKK water-repellent zippers [WATER-R], and the original CIE name tag is made of back satin woven on a traditional shuttle loom. The harness cushion is made of 10mm thick Japanese urethane, and the handle is made of cushioned tape with urethane built into it. The zipper pull is made of CIE's original zinc die-cast YKK pull.
