High quality polyester fabric,durable,breathable,waterproof,tear-resistant. Large compartment design with a padded sleeve for holding tennis rackets. Thick mesh lumbar pad for comfort and airflow against your back. Resin sponge soft back creates a channel of air between your back and the pack so excess heat can move away from your back.
ETIAL® Zip Around Badminton Tennis Racket Polyester Backpack Shoulder Bag (Black) : Sports & Outdoors