Equipped with a 500ml soft flask that is 100% BPA and PVC-free, you only need to gently press the water bottle to replenish water. The bottle shrinks as you drink and, combined with a drawstri. The bottle shrinks as you drink and, combined with a drawstring tightening system, it minimizes sloshing, bouncing, and rattling.,【Ample Storage Options】The vest features two shoulder pockets and a large.
