This Under Armour 1240539 UA Ozsee Sackpack Drawstring Backpack is the perfect gym bag for men. The midnight navy and white solid pattern made of 100% polyester material is durable and stylish. The Under Armour 1240539 UA Ozsee Sackpack Drawstring Backpack is a one size fits all backpack with a drawstring closure. The product line is UA Ozsee Sackpack and the model is Under Armour 1240539 UA. This backpack is great for carrying your gym essentials and versatile enough to be used for everyday activities.