Aonijie Leap Series 10L Vest.  Breathable, Lightweight as used by UTMB athletes at Tarawera 25.  Soft and thin mesh padding for optimal comfort, Flexible adjustable straps help backpack hug your body nicely . Ultralight hydration pack with wide and breathable shoulder straps distribute weight effectively.

For a limited time these come with 2 x 500ml Aonijie Flasks