The Trek Women's Sleeping Bag has undergone significant work to improve comfort, including the addition of feathers in certain areas needed to enhance its performance. With 650+ fill power, this bag is versatile, spacious, and uses an ergonomic design to provide greater warmth and comfort. Duck down with Ultra Dry Down treatment for improved water resistance in wet conditions. Recycled polyester provides durability and comfort for lightweight adventures in different climates and conditions. The Free Flow zipper system allows for temperature regulation and multiple configurations for greater outdoor freedom. The semi-rectangular cut offers a roomy design for added comfort and space, ideal for car camping and shorter adventures.

Features of the Sea To Summit Trek Women's -30°C Extreme Cold Down:

• Temperatures: EN13537 Standard
• Comfort temperature: -1°C Temperature at which a woman can sleep comfortably.
• Comfort limit temperature: -11°C Temperature at which a man can sleep comfortably for 8 hours.
• Extreme temperature: -30°C Temperature at which, after 4 hours, a woman will feel cold and can lead to frostbite and/or hypothermia.
• Large mummy shape
  
• RDS 650+ Cuin duvet
• Fill Weight Regular: 520 g
  
• Fill Weight Long: 610 g
• Regular Weight: 1239 g - Long Weight: 1418 g
  
• Regular Dimensions: for a person up to 170 cm tall
• Long Dimensions: for a person up to 185 cm tall
• Compressed Packed: Regular 3 L - Long: 3 L