Thermarest Alpine 35 Down Blanket


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With an ultralight, technical twist, the Alpine 35 Down Blanket from Therm-a-Rest brings absolute comfort from home to the backcountry. Precious ounces are shaved off with a zipperless design and eliminates a traditional sleeping bag's wasted, compressed insulation beneath you. Relying instead on the inherent warmth of your mattress, this 700-fill goose down comforter provides exceptionally light and compact warmth. An elasticized foot box and perimeter snaps allow you to integrate the Alpine 35 with a Therm-a-Rest mattress with either MSR Fitted Sheets, Mattress Snap Kit, or on its own.


  • Light and Compact: Highly compressible, box-baffled 700-fill goose down and ultralight 20D nylon create a blanket that weighs just 1lb.5 oz.
  • Exceptional Comfort: Unhindered movement and zipper-free ease of entry—just like home.
  • 3-Season Warmth: Box-baffled down, long side baffles and elasticized foot box keep drafts at bay
  • Adaptable: Perimeter snaps offer multiple mattress integration options
  • Fill700-fill goose down
  • FitsUp to: 5' 10" (178cm) (reg)
  • Girth, Shoulder: 48 in / 123 cm (reg)
  • Girth, Hip: 48 in / 123 cm
  • Girth, Foot box: 25 in / 63.5 cm (reg)
  • Width: 48 in / 122 cm (reg)
  • Length: 76 in / 193 cm (reg)
  • Weight: 1 lbs 5 oz / 624 g (reg)

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Available sizes, while supplies last, include size reg and size long: reg, long.

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