Heat Zone UL250 (0C to -15C)

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The Heat Zone sleeping bags by RockWater Designs are built with top-of-the-line Diamond Polytek ripstop material and lined with Pongee Polysoft synthetic fabric.

These slumber sacks are well insulated and super compact! The UltraLite series are no-frills sleeping bags, basic rectangular design that has been stripped down for low weight and high compactibility.

See our Sleeping Bags - 101 blog for three of the most often asked questions!
  • Diamond Ripstop Polytek shell
  • Comfortable Polysoft Pongee lining
  • “ULTRALOFT” 7-hole hollowfibre insulation
  • Full length draft tube and insulation collar
  • Compression case included
  • Basic rectangular design
  • Single layer Insulation
  • Thermal rated to 0°C
More Details
  • Measures: 78” x 34” (198 x 87 cm)
  • In Stuff Sack: 17"X10"X10"
  • Weight: 1.7 Kgs 3.75 Lbs
  • Fill: 250g/m2 Ultraloft
  • Rated between: 0C and -15C (5F)