Mier Sports Duffle Bag 

Mier Sports Duffle Bag Backpack 

Designed with easily-adjustable backpack straps, adjustable sternum straps to ensure a comfortable fit, an adjustable/removable shoulder strap, and a four-sided soft haul handle for multiple carrying options. Available in different size options; 45L: airline portable size. a great size for a gym, sports, or fitness bag or for short weekend trips. 60L: airline portable size. fits for travel, camping, or backpacking for 5-7 days. 90L:  this size is ideal for longer trips, backpacking, camping, and carrying bulkier sports gear.