Sea to Summit Spark -1°C Down Sleeping Bag | Men's

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THREE-SEASON ULTRALIGHT WARMTH

Sea to Summit’s Spark –1°C Down Sleeping Bag for Men pairs RDS-certified 850+ fill-power Ultra-Dry Down with ultralight 10D nylon shell and liner to deliver high warmth-to-weight performance in three-season conditions. The technical hood, anatomical footbox and half-length YKK® #5 zipper with draft tube seal in heat without adding bulk—ideal for ultralight backpacking down to –1 °C. :contentReference[oaicite:0]{index=0}


Why Spark –1°C Down Sleeping Bag – Men’s?

This ultralight mummy bag balances minimal weight with targeted warmth, sealing in heat where you need it most without weighing you down.

Brave cool nights—add the Spark –1°C Down Sleeping Bag to your cart at Land & Sea today.


Spark –1°C Down Sleeping Bag – Men’s Features

  • RDS-Certified 850+ Fill-Power Down: Ultra-Dry Down treatment for maximum loft and moisture resistance.
  • 10D Nylon Shell & Liner: Ultralight, breathable fabric with non-PFAS DWR on hood and footbox.
  • Technical Hood & Anatomical Footbox: Engineered to seal in warmth and prevent cold spots.
  • Half-Length YKK® #5 Zipper with Draft Tube: Reduces weight and resists snags while allowing venting.
  • Hybrid Baffle Construction: Box baffles in torso and sewn-through baffles in legs optimize warmth-to-weight for –1 °C.
  • Sea to Summit Lifetime Guarantee: Ensures product support for life.

Spark –1°C Down Sleeping Bag – Men’s Specifications

  • Comfort Rating: 30 °F (–1 °C).
  • Fill Power: 850+ goose down (RDS-certified, Ultra-Dry Down).
  • Shell & Liner Fabric: 10D nylon with non-PFAS DWR treatment.
  • Weight: 493 g (1 lb 1.4 oz) [Regular], 536 g (1 lb 2.9 oz) [Long].
  • Compressed Volume: 4.5 L [Regular], 5.1 L [Long].
  • Fill Weight: 265 g.
  • Shape: Ergonomic mummy for optimal heat retention.
  • Fits Up To: 185 cm [Regular], 198 cm [Long].
  • Includes: 40D recycled nylon compression bag.
  • Size Options: Regular (fits users up to 185 cm), Long (fits users up to 198 cm).

 

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