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Sea to Summit Cinder CD I 4C

Size: Regular

The versatile 750+ Loft ULTRA-DRY Down™ Sea To Summit Cinder CD I is designed as a lightweight and packable summer quilt, but it also integrates with all Sea to Summit sleeping bags (from 2021) to increase the warmth of your entire sleep system. Perfect for boosting the warmth of your 3-season bags for winter use. Another useful feature is the ability to connect two quilts together to create a double quilt for couples camping.

When the temperature rises, treat your Cinder like a traditional quilt and let your feet and arms breathe. When the temperature drops, cinch the draw cords to create a foot pocket and snuggly wrap around your shoulders while securing the quilt to your mat with the simple strap and press-stud system to reduce heat loss. Sea To Summit's QuiltLock™ system secures your Cinder quilt to any Sea To Summit sleeping bag for another boosted layer of insulation which won't slide off at night.

750+ Loft
750+ Fill Power indicates that 1 oz of down will re-expand to over 750 cubic inches after compression. Higher loft means that less down can be used to achieve the same temperature rating – important for performance sleeping bags. The loft and down quality/composition are independently tested by the International Down and Feather Laboratory (IDFL) – a copy of the certification is supplied with every Sea to Summit sleeping bag.

ULTRA-DRY Down™
ULTRA-DRY Down™ is a permanent nano-level water repellent polymer treatment applied to our down which protects it from external moisture and condensation from inside the bag virtually eliminating the negative effects moisture has on down. Retaining over 60% more loft and absorbs 30% less moisture than untreated down and it dries 60% faster.

More Help? For further assistance on choosing your down sleeping bag, we have an article explaining fill power, the pros and cons of down over synthetic insulation and more info on caring for your bag available to view here: A Guide to Down Sleeping Bags.


Features

  • Adaptable set-up to suit variable conditions and environments.
  • Freedom to move and ventilate when it’s warm.
  • A versatile press stud and adjustable strap system secure the quilt to your mat, keeping heat loss to a minimum.
  • Conveniently located press studs allow the quilt to be secured around the neck to help trap in warmth.
  • Connect two quilts together to make a double— Cinder, Glow and/or Ember Quilts.
  • QuiltLock System connects your Cinder quilt to any Sea to Summit (2021 sleeping bag for extra warmth and to prevent the quilt from sliding off.
  • 20D Nylon waterproof/breathable NanoShell fabric protects against wind and moisture.
  • Soft touch 20D Nylon lining fabric is lightweight and breathable
  • Super-compressible RDS 750+ Loft ULTRA-DRY Down for superior insulating power.
  • Sewn through quilted construction reduces weight and bulk.
  • Includes a Sea to Summit Ultra-Sil™ Compression Sack and larger storage cell.

Specification 

  • Maximum User Height:  Regular: 183cm, Long: 196cm
  • Compression Sack Volume: Regular: 6L, Large: 10L
  • Compression Size: Regular: ø15.5cm x 12cm, Large: ø18.5cm x 13cm
  • Comfort Temperature:  10°C
  • Comfort Temperature limit: 4°C
  • Maximum inner width: cm : 150cm
  • Shape: Quilt
  • Main Fabric: 20D Nano Shell & 20D Lining
  • Fill Weight: Regular: 240g, Large: 300g
  • Fill power: ULTRA-DRY Down® 750+ Loft
  • Weight: Regular: 480g, Long: 620g
  • Insulation Type: R.D.S Certified Down