Sea To Summit

Sea To Summit Spark 1


Warmer, lighter, better. Ultra high-loft 850+ down, boxed foot, hood and mummy fit combine to keep you toastier than similar minimalist sleeping bags. Gossamer-thin 10 denier fabric compresses into a pint sized package while serving up a cosy night's kip in less-than-freezing temperatures.

▸ Features
  • 180 gms of 850+ loft premium goose down.
  • Depending on how hot or cold you sleep, it should keep you cosy and snoring softly at temperatures down to 5-10° C. Perfect year-round in a hut, or tent in warm summer conditions.
  • 'Ultra-Dry' treatment ensures down retains loft in damp conditions.
  • Slim fitting mummy shape with a half length side zip.
  • Full contoured hood and foot box.
  • Lightweight ultra-Sil compression stuff sac.
  • Mesh storage cell and loose laundry bag. 
  • Regular (<183cm tall). 180gm fill, 340 gm weight, 1.5 litres compressed volume.
  • Pair with the Ultralight Insulated Sleeping Mat and Aeros Pillow for maximum sleep comfort.

UnderGround email List