1. Material: oxford cloth
2. Applicable gender: male
3. Purpose: place mobile phones, keys, wallets, earphones, umbrellas, helmets, computers, etc.
4. Size: about 48x35x22 cm
5. Weight: about 1300 grams

Features:
1. Large space capacity design inside, can put computers, tablets, books, etc. within 15 inches
2. The side mesh bag is added for processing, can put umbrellas, water bottles, etc.
3. The inner mesh bag can be put into mobile phones, wallets, gloves, etc.
4. The thickened air cushion is comfortable and breathable, reducing the pressure on the back. The chest buckle design effectively reduces the pressure on the back.
5. Three-layer padded shoulder straps and mesh cloth are breathable, comfortable and not easy to be stuffy
6. Surface reflective strip design, safer to use at night
7. Made of oxford cloth, good texture, wear-resistant and durable
8. Metal zipper head, wear-resistant and durable
9. Inside stitching stitching, durable, breathable and hygienic