The Essential Bottle Pack 2.0 is a versatile waist pack perfect for training, shorter distance, or races with more frequent support. Equipped with a performance holster housing our 550 UltraFlask Hybrid Bottle, the holster keeps the bottle secure with no bounce and no risk of launching while being incredibly easy to access or re-holster. The zippered compartment is made from a durable 70D nylon ripstop fabric and features a water-resistance coating to keep contents dry and is compatible to carry any size phone. There is a layered compression shock cord to secure contents keeping the pack stable whether empty or fully loaded. Single buckle allows for quick in/out of the pack. The award-winning technologies found on ErgoFit Waist are all found on the Essential Bottle Pack 2.0 making for a functional and stable waist pack option.