Incredibly versatile, the Altitude women's down sleeping bag is snug and cozy when it's cold, and cool and ventilated when the weather warms. Shaped to match your natural sleeping position the Altitude is both comfortable and light enough to carry anywhere.

Features:

• ULTRA-DRY Down 750  Loft 90% Down Cluster Premium Duck Down certified Responsible Down Standard (RDS)
• Thermolite® insulation in the foot section warms your feet instantly
• Free-flow zipper system: full-length YKK® #5 main side zip, half-length opposite side zip, and foot zip provides unparalleled ventilation and use as a comforter
• Internal pocket for phone / GPS / valuables
• Shaped hood, oversized draft collar, and zipper draft tube keep the cold out and the warmth in
• Includes lightweight Ultra-Sil compression bag and storage cell
• Form a snug double sleeping bag by zipping to any Ascent, Trek or Traverse sleeping bag