Outdoor Cooling Backpack for Men Nylon 10W Sweat Proof Semiconductor Compression Airflow Ventilation Travel Laptop Backpack for Hiking Casual

Efficient Cooling Technology: The outdoor cooling backpack utilizes semiconductor and compression cooling technology to keep the interior and back of the backpack cool in hot temperatures, effectively lowering the temperature. Sweat Proof Comfort: While regular backpacks may cause sweating on the back during use, this airflow backpack uses compression cooling technology to your back stays cool and comfortable. Nylon Construction: Made of premium nylon material, the laptop backpack is wear proof, tear resistant, breathable, , and has a lifespan, suitable for both men and women. Item Type: Cooling Backpack Material: Nylon Weight: Approx. 1335.00gCelsius47.09oz Product Size: Approx. 28x16x41cmCelsius11.02x6.3x16.14in Power: 10W Cooling Methods: Semiconductor and Compression Control: Independent Button Usage Time: Compatible with 5000mAh Power Bank for 4 to 5h Battery Life