Sierra Designs Night Cap 35° Sleeping Bag


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Based on Sierra Designs' bestselling Down based Cloud sleeping bag series, but now in a lower cost fully recycled synthetic materials, the Night Cap features a zipper-less design with an integrated quilt section for all the comforts of home. The Night Cap also incorporates Sierra Designs patented self-sealing foot vent and a pad sleeve, allowing increased ventilation for hot sleepers and movability for wiggle worms, side, and stomach sleepers.


  • Patent pending zipper-less design for the ultimate comfort

  • Oversized integrated quilt gives you all the comforts of your bed at home

  • Insulated shoulder pockets keep comforter wrapped around you and seals out drafts

  • Patented self-sealing foot vent provides fast and easy ventilation

  • Integrated sleeping pad sleeve keeps pad under you for comfort and warmth

  • Hood cinch to keep in heat when the temps drop

  • Recycled materials reduce environmental impact

  • ISO tested

  • Stuff sack included for easy pack up and transport


  • Liner: 20D Recycled Polyester

  • Shell: 20D Recycled Polyester

  • Insulation: SierraLoft Eco Synthetic

  • Specifications

    Specs (Regular)
    ISO Comfort Rating: 2°C

    ISO Limit Rating: -1.67°C

    Weight: 1090 g

    Fill Weight: 680 g

    Fits To: 183 cm (72")

    Length: 198 cm (78")

    Shoulder Circumference: 147 cm (60")

    Hip Circumference:147 cm (58")

    Foot Circumference: 102 cm (60")

    Stuff Sack Size: 19 x 38 cm (7 x 15")

    Specs (Long)
    ISO Comfort Rating: 2°C

    ISO Limit Rating: -1.67°C

    Weight: 1140 g

    Fill Weight: 737 g

    Fits To: 198 cm (78")

    Length: 213cm (84")

    Shoulder Circumference: 152 cm (62")

    Hip Circumference: 152 cm (60")

    Foot Circumference: 107cm (42")

    Stuff Sack Size: 19 x 38 cm (7.5 x 15")