With a women-specific design and Marmot's very own synthetic insulation, the full-featured Women's Trestles 15 is designed for sustained cold, wet weather while backpacking, mountaineering and river rafting. Improved liner fabric plus updated style lines maximize comfort.Features:Compression Stuff Sack IncludedFold-Down Second Zipper Provides added Ventilation and Easy Access, Main Zipper Anti-Snag Slider reduces SnaggingAnatomically 3D Footbox increases the insulation and room for your feet, for more Warmth and ComfortSpirafil High Loft Insulation for Maximum warmth and durabilityWomen's Specific Fit - More Insulation in Key AreasEN TestedCombination Wave Construction Top provides Maximum Loft and Warmth, Blanket Construction Bottom for the best warmth and comfort under bodyFull Length Locking YKK Two Way Zipper3D Hood ConstructionStash Pocket"Feely" Draw CordsSnagless Insulated Draft TubeTwo Hang Loops