Ultralight and packable mummy sleeping bag for three-season camping and backpacking. One of the lightest bags available, the 900-fill, water-resistant Nikwax Down sleeping bag keeps you warm and comfortable.
Weighing a mere 1 lb. 4 oz., the Hyperion defies the cold and provides better rest while moving through the mountains.
Built to provide a featherlight pack weight and high-performance warmth, the Hyperion 20F/-6C sleeping bag is among the lightest in its class without sacrificing an ounce of performance. The bag uses thermally-efficient box baffled construction in key areas to ensure warmth and comfort in an ultralight package. Designed with high-quality materials and Therm-a-Rest performance features like SynergyLink™ Connectors, the Hyperion keeps your pack light, giving you the freedom to move quickly in the backcountry. Storage sack and compression stuff sack included.
The Therm-a-Rest's Hyperion 20 Sleeping Bag is our lightest bag with a comfort limit of -6C or -5C. This outstanding warmth to weight ratio is achieved by using the highest quality responsibly sourced down expertly zoned in a box wall construction. The bag is lined with ThermaCapture to trap body heat keeping you nice and toasty.
The bag only has a half length zip which saves weight and increases warmth but reduces venting ability. The bag comes with tiny (potentially flimsy) straps to attach the bag to a sleeping mat to reduce the chance of you wriggling off your mat in the night. These can be removed if you want to save a few grams. As you would expect with such a lightweight bag the pack size is very small.
- Reviewed by Ultralight Outdoor Gear
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