The Sea to Summit Cinder Down Quilt CdI is a lightweight and super-packable quilt designed for weight-conscious backpackers and outdoor enthusiasts. It is protected by a waterproof yet breathable 20D Nylon NanoShell fabric, ensuring you stay dry and comfortable in various conditions. The quilt offers several features to enhance your camping experience:


  • Waterproof/Breathable Shell: The 20D Nylon waterproof/breathable NanoShell fabric protects you against wind and external moisture.
  • Soft Lining: The 20D Nylon fabric lining is soft to the touch, lightweight, and breathable, ensuring a comfortable night's sleep.
  • ULTRA-DRY Down: The RDS 750+ Loft ULTRA-DRY Down provides exceptional warmth while remaining highly compressible for easy packing.
  • Adjustable Strap System: The versatile press stud and adjustable strap system secures the quilt to your sleeping mat, sealing in warmth.
  • Foot Box: A drawcord cinches the foot end into a footbox for cooler conditions, keeping you warm and comfortable.
  • Construction Options: Cinder I features sewn-through quilted construction, reducing weight and bulk, while Cinder II offers fully baffled construction for maximum loft.
  • QuiltLock System: This system securely connects your Cinder quilt to any Sea to Summit sleeping bag, adding an extra season of warmth.
  • Includes Accessories: The quilt comes with a Sea to Summit Ultra-Sil Compression Sack and a large storage cell for easy storage and transport.
  • Double Quilt Option: You can connect two quilts together to create a double Cinder, Glow, or Ember Quilt for versatile sleeping arrangements.


  • BEST USE: Ultralight Adventures
  • PERFORMANCE: Warm Weather
  • WEIGHT: 16.9oz | 480g

The Sea to Summit Cinder Down Quilt CdI offers an ultralight and versatile solution for backpackers and campers looking to reduce weight and pack volume without sacrificing comfort and warmth.


Model # ACD1-R
Barcode # 9327868139743

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