Mummy sleeping bag for all-year-round use black with hollow cotton, lightweight and waterproof

Mummy Sleeping Bag with Hollow Cotton Filling Black

Designed for year-round outdoor comfort, this 4-season mummy sleeping bag combines warmth, breathability, and versatility in an ultralight design. With a durable 190T ripstop polyester exterior and insulated with hollow cotton, this sleeping bag will keep you warm whether you're hiking in the spring forest, camping on cool autumn nights, or braving mild winter chill. The soft 190T polyester lining is gentle on the skin and provides excellent air circulation.

Thoughtful details like an adjustable elastic hood and a ventilation zipper at the bottom allow you to customize your sleeping experience to changing temperatures. When it's time to travel, a compression sack is included that halves the sleeping bag's packed size, making it easy to pack in your backpack or attach to your gear.

Comfort-adapted for summer, spring/autumn, and winter, this sleeping bag is your all-in-one solution for cozy nights under the stars – no matter the season.

Specifications:

• Color: Black
• Style: Mummy / Envelope Hybrid
• Size: 220 × 75 cm (86" × 29")
• Weight: 0.8 kg
• Outer Fabric: 190T ripstop polyester (waterproof shell)
• Lining: Soft 190T polyester (skin-friendly & breathable)
• Filling: Hollow cotton insulation
  • Temperature Range: Summer: Comfortable above 25℃
  • Spring/Autumn: Comfortable 10℃–20℃
  • Winter: Comfortable 0℃–10℃
  • Ventilation Features: Bottom zipper for adjustable airflow
  • Elastic hood for heat retention
• Compression Sack: Included, halves pack volume
• Best Use: Camping, hiking, backpacking, and outdoor overnight stays in all seasons

Features:

• 4-season flexibility
• Water-repellent shell: 190T polyester keeps out moisture and light rain
• Soft and breathable: Skin-friendly pongee lining for maximum comfort
• Thermal efficiency: Hollow cotton insulation effectively traps heat
• Adjustable ventilation: Elastic hood for cold nights, bottom zipper for warmer weather
• Compact & portable: Comes with a compression sack with drawstrings for easy packing
• Durable construction: Ripstop outer fabric for tough outdoor environments
• Lightweight design: Easy to carry on hikes or backpacking