Abshoo Classical Basic Travel Backpack For School Water Resistant Bookbag Black Color:Black It supports fast synchronization through

It supports fast synchronization through Bluetooth and data analysis to XOSS APP

5" / 40-75 cm Recommended Use: Climbing

will not produce a lot of wind resistance

Read more Keep Hydrated Stay focused on your activities and still benefit from fresh water

Abshoo Classical Basic Travel Backpack For School Water Resistant Bookbag Black Color:Black It supports fast synchronization throughAbshoo Classical Basic Travel Backpack For School Water Resistant Bookbag Water Resistant Material The backpack resist the entry of water into it to a certain extent, which means that the backpack receives a small amount of drizzle in a short period of time, and the water drops will soon roll down the fabric and will not penetrate the items in the backpack; otherwise, long term exposure to rain or heavy rain will flood the contents of the backpack.