British Army MVP Bivy Bag - DPMThe British Army's approach to the bivy bag (Alternative spelling bivi or bivvy) is a no nonsense design but with superior material quality. By "no nonsense design" we mean there is no side zip, snap dome fastening or hook & loop strips to mess around with. You enter through the wide opening at the top, tighten the bag with a drawstring, then you're locked in for a dry night in the wilderness. Some will appreciate the simplicity but if you're after