90% heat retention. Pocket-sized. SOS orange. Built for when it matters most.

This thermal Mylar bivy sack is engineered for emergency survival and outdoor preparedness. It folds into a compact drawstring bag that fits in your palm, yet deploys instantly to retain up to 90% of your body heat in extreme cold. The high-visibility SOS orange exterior makes you easy to spot by rescue teams.

Key Features

• 🔥 90% Heat Retention — high-quality aluminized PE film reflects body heat to keep you warm in extreme conditions
• 🟠 High-Visibility SOS Orange — bright exterior for easy detection by rescue teams in low-visibility environments
• 💧 Waterproof & Windproof — shields against rain, snow, and wind; UV and corrosion resistant
• 💪 Ultra-Durable — thicker and more tear-resistant than standard survival blankets; holds up on rough terrain
• 🎒 Pocket-Sized & Lightweight — folds into a small drawstring bag; fits any first aid kit, backpack, or go-bag

Perfect for: camping, hiking, emergency kits, natural disaster preparedness, and search-and-rescue scenarios.