Specifically designed for women, the Spark Women's sleeping bag offers increased warmth and improved heat retention, giving it versatility and functionality. With an optimal warmth-to-weight ratio, the Spark Women's down is both compact and comfortable. Goose down with Ultra Dry Down treatment for improved water resistance in humid conditions. Featuring a 10 denier nylon shell and lining, these lightweight fabrics offer breathability, protection and effective temperature regulation for optimal outdoor comfort. The waterproof and breathable characteristics of 10D nylon provide additional protection and prevent exposure to condensation from the tent walls. The Mummy Fit maximizes thermal efficiency and provides enhanced heat retention with a lightweight design for warmth, compactness and outdoor comfort.

Spark Women's Sea To Summit down features:

• Ttemperatures: EN13537 standard
• Comfort temperature: -1°C Temperature at which a woman can sleep comfortably.
• Comfort limit temperature: -7°C Temperature at which a man can sleep comfortably for 8 hours
• Extreme temperature: -24°C Temperature at which after 4 hours a woman will feel a sensation of cold which can lead to frostbite and/or hypothermia.
• Goose down with Ultra Dry Down treatment
• Ultralight materials for reduced weight and bulk
• Includes Ultra-Sil™ compression sack for compact storage
• Regular: For a person of 1.70 m maximum. Filling 375 g Bag weight: 590 g
• Long: For a person 1.85 m max. Filling 430 g Bag weight: 640 g