Heat Retention: Reflects up to 90% of your body heat to help prevent hypothermia and keep you warm in life-threatening cold-weather conditions. A must-have for unexpected overnight stays outdoors. Weather Protection: Built from windproof and waterproof material with sealed seams to shield you from rain, snow, and harsh winds. Designed to keep you dry and protected in all weather conditions. Signal & Ignite: Features an integrated emergency whistle and drawstring—Tinder Cord to assist with fire starting and emergency signaling when needed most. Ultralight Design: Weighs under 4 oz. and packs down smaller than a soda can, making it ideal for hiking, backpacking, and minimalist emergency kits without adding bulk. Tear-Resistant Build: Made from durable, quiet material that resists tears and won’t shred when you need it most—reliable for rough conditions and multiple uses. Specifications: Dimensions: 84 x 36 inches Weight: 3.8oz