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Thermarest Altair™ HD Down Sleeping Bag

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Temperature Rating °C

Our Price 500.00

From an overnight snowshoe to a multi-day ski tour, the Thermarest Altair winter sleeping bag features Nixwax® Hydrophobic Down and a reflective ThermaCapture™ lining to reliably keep you warm in the coldest months of the year. And when the temps are this low, you’ll really appreciate how the SynergyLink™ System keeps you and your mattress under the warmth of the bag to maintain the precious warmth you need to sleep well. It also provides you the freedom to move however you like throughout the night, allowing you to wake fresh for the day ahead.

Altair is the twelfth brightest star in the night sky, and is used in celestial navigation.

PLEASE NOTE: Thermarest Dimension are for the girth of the sleeping bag.

Regular 500.00
Long 540.00



• Zoned Insulation (Box-baffled 750+ fill Hydrophobic Down w/ sewn-through insulated bottom)
• Reflective ThermaCapture lining for added warmth without excess weight or bulk.
• SynergyLink Connectors integrate your mattress for optimal comfort and efficiency
• Heat trapping draft collar and full-length zipper draft tube
• Differential cut maximizes loft
• Snag Free Zipper
• Cinchable hood
• External zip pocket
• Stuffsack and storage sack included

Product Specification
• Bag Construction: Box Wall
Fill Power: 750Fill Nikwax Hydrophobic Down
Fill Weight: R - 580 g; L - 640 g
Max Height of Person: R - 183 cm; L - 198 cm
Shoulder Width of Bag: R - 158 cm; L - 163 cm
Foot Width of Bag: R - 102 cm; L - 102 cm
Overall Bag Weight: R - 1105 g; L - 1191 g