Fabric selection:
A durable outdoor sports package or not, the main determining factor is the fabric. Usually riding backpack use of PU coated nylon fabric, because of its waterproof, wear-resistant, anti-tear and other effects.
Whether perspiration ventilation design:
Outdoor riding backpack is attached to the back of the whole. So, if the process of riding back no ventilation, make sticky wet sweat has been on the back cover, I feel quite uncomfortable. So riding backpack usually increase a network resin version, will be back with a gap enclaves.