MOLLE compatible webbing on the front pockets and the bottom of the backpack; Heavy Duty: Zippers, Carry Handles on the Top and both Sides of the backpack; Hydration bladder compatible, with drink tube routing onto either Padded shoulder straps with metal D-rings; Adjustable Compression Straps on the Sides of the backpack; Adjustable Sternum and Waist Straps with quick connect buckles; Durable PVC construction, that is chemical and water resistant