Emergency BivvyFULL SPECSVACUUM MATERIALIZED POLYETHYLENE BIVVY SACK REFLECTS BACK UP TO 90% OF YOUR RADIATED BODY HEAT3.8 OZ.NYLON STUFF SACK WITH DRAW CORDEmergency Bivvy $17.99 SIZE CHART SKU: 4013-000-000-000 Quantity -+ Add to Cart Find in-store WARNING for California Residents