Sea to Summit have redesigned its renowned Spark sleeping bag line, featuring high-quality materials and ethically sourced down. Now featuring waterproof material at the hood and foot box for increased protection from condensation.\nSea to Summit says:\nUOG TOP PICKThe Spark Women’s sleeping bag is perfect for lightweight adventures. Specifically designed for women, the added warmth and heat retention offers versatility and functionality. Featuring an optimal warmth-to-weight ratio, the Spark Women’s bag is equally compact and comfortable.\n\nOur Verdict\nThe \

Sea to Summit have redesigned its renowned Spark sleeping bag line, featuring high-quality materials and ethically sourced down. Now featuring waterproof material at the hood and foot box for increased protection from co