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At just 1 lb 3 oz., the SummerLite is the lightest bag Western Mountaineering makes in a continuous baffle construction. Their goal in designing this bag was to make it as light as possible without eliminating key features or function. The result is a fully-baffled bag that weighs only 19 ounces and features a full-length zipper with insulated draft protection! The SummerLite is a dream come true for lightweight backpacking fanatics.


  • 32F degree lower limit rating

  • 850+ down insulation

  • Mummy shape

  • Water-resistant ripstop shell

  • Hood, draft collar, and draft tubes with hook-and-loop tabs

  • Full-length zipper on left or right side

  • Differential cut with continuous baffles

  • Stuff and storage sacks included


  • Material - 100% nylon ripstop (20D), DWR coating

  • Insulation - 850+ fill down

  • Shape - mummy

  • Zipper - full-length, left/right

  • Shoulder Circumference - [5ft 6in] 59 in, [6ft] 59 in, [6ft 6in] 60 in

  • Hip Circumference - [5ft 6in] 51 in, [6ft] 51 in, [6ft 6in] 52 in

  • 1lb. 3oz total weight

Western Mountaineering Summerlite 32F

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