Polyster/Nylon
Breathable mesh
Lightweight
Soft-back
Ultra-comfortable
Sweat-wicking
Quick-dry
Adjustable rope design
Two (2) 500ml water bags
Water bag pockets
Duo pockets for AirPods, cell phone, key, gel/snack pockets
Large pouch pocket at the back
Perfect for running, marathon, jogging, paddling, hiking