Snugpak Special Forces Bivvi Bag OliveThe Snugpak Special Forces Bivvi Bag is an ultra lightweight yet durable bag that can be used to cover your sleeping bag to add an additional layer of protection or warmth. It can also be used exclusively as a standalone bag during the warm summer months. With a central half zip with storm flap, the bivvy bag is waterproof, windproof and highly efficient at wicking away moisture and maintaining a warm internal microclimate that allows any internal