Ultralight waterproof Mylar thermal bivy sack weighs just 6 ounces and delivers full-coverage warmth for two hikers in rugged, wet conditions.
Reflects over 95% of your body's heat back to you, helping you stay warmer in cold conditions during wet or windy hikes.
Polyester outer shell with NASA-inspired Mylar insulation (polyethylene) provides waterproof, windproof protection and tear resistance for reliable shelter in wet hikes. Temperature rating 6–15°C.
Self-contained design requires no external equipment or setup, and it packs down small for easy carry in a backpack or emergency kit.
2-person occupancy with full coverage and bright orange color for visibility; weighs 6 ounces and folds back into a drawstring stuff sack for reuse.
