This mummy sleeping bag is lightweight and spacious, optimized for warmth and comfort with a 32-degree rating suitable for summer and warm shoulder seasons. It features thermally efficient Nikwax-treated down for wet-weather protection and zoned insulation to save weight where insulation is most needed. Box baffling with mesh walls minimizes cold spots, while the W.A.R.M. fit allows movement without losing warmth. SynergyLink connectors keep the bag attached to a sleeping pad. Additional features include an insulated foot box, draft tubes, and a mummy hood to seal in warmth.