Emergency Thermal Sleeping Bag Foil Envelope Bivvy

Constructed from reflective aluminium film across the outer fabric, lining, and filler, this envelope-style emergency sleeping bag helps retain warmth during cold outdoor situations. Measuring 93 x 210 cm and weighing approximately 148 g, it packs down tightly into a compact drawstring carry bag equipped with an emergency whistle. Features • Reflective aluminium film construction for cold resistance and thermal reflection • Spacious envelope structure measuring 93 x 210 cm • Ultra-lightweight design weighing approximately 148 g • Includes a compact drawstring storage bag with an integrated whistle • Available in high-visibility orange and outdoor green Why you'll love it • Provides critical thermal backup in emergency mountaineering and camping scenarios • Compact packed dimensions fit easily into hiking backpacks or emergency kits • Integrated whistle allows for rapid signalling without carrying separate gear • Full envelope shape allows easy entry and coverage Best for • Emergency shelter • Mountaineering • Hiking backup gear • Vehicle emergency kits • Desert camping emergency kit