Blizzard Survival Jacket - Tactical / Reversible - Emergency Core Insulator Tactical Olive Drab - Reversible to Civilian Silver for High Visibility & Signaling Three Chamber ReflexCell Technology Insulates the Core and Head Compact and Light Weight: Vacuum Packed to 4.5 in. x 6 in. 1.75 in 9.3 ounces Get the best in Survival & Emergency Personal Insulation You Can Take Anywhere!