Sea to Summit Micro Series

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The Micro Series is an ultra light and warm sleeping bag that can unlock so many possibilities.

Comfort Rating Lower Limit Rating Extreme Rating
Micro II 7℃ 2℃ -13℃
Micro III 4℃ -2℃ -18℃


The Micro Series is Sea to Summit's Lightest and most unique bag. Filled with 850+ Loft Premium Goose ULTRA-DRY Down and 2D NanoShell making it the lightest, most breathable water resistant shell.

With a uniques draw cord and the foot opening, the Micro Series can be pulled in tight to create a technical box foot mummy shaped sleeping bag or opened up to create an open ended rectangular sleeping bag/quilt.

The 55/45 fill ratio on the form fitting Micro Series helps to insulate your core as the bag rotates during the night. The pocket located inside the sleeping bag has been designed for easy access and secure for any electronics. This will help preserve the battery performance in cold conditions. The soft touch 15D nylon lining is down proof by construction and highly breathable offering a comfortable sleep.

Other features also include horizontal baffles, a reshaped 3D snug hood and a durable YKK #5 zipper with micro anti snag. The bag also comes with a lightweight Ultra-Sil compression bag and a storage/laundry bag.

Micro II

The Micro II offers a comfort rating of 7℃, a lower limit of 2℃ and an extreme rating of - 13 ℃.


  • Left Zip
  • Fill Weight: 250g
  • Total Weight: 630g
  • Compressed Volume: 4.5L
  • Width (Shoulders): 146cm
  • Maximum User Height: 183cm


  • Left Zip
  • Fill Weight: 275g
  • Total Weight: 695g
  • Width (Shoulders): 155cm
  • Maximum User Height: 192cm

Micro III

The Micro III offers a comfort rating of 4℃, a lower limit of -2℃ and an extreme rating of - 18 ℃.


  • Left Zip
  • Fill Weight: 350g
  • Total Weight: 740g
  • Width (Shoulders): 146cm
  • Maximum User Height: 183cm
  • Compressed Volume: 5L


  • Left Zip
  • Fill Weight:380g
  • Total Weight: 810g
  • Width (Shoulders): 155cm
  • Maximum User Height: 192cm