Do you hear that? It's the silence in your tent when your bag doesn't have a zipper! The Big Agnes Thunderhead SL 30 has a clip-and-loop system instead of a zipper, offering a cozy snoozing cocoon.

• Cocoon-style construction features an easy-to-use clip-and-loop system that eliminates the need for a zipper
• Superlight shell fabric with high tear strength
• 650-fill-power DownTek water-repellent down repels water while maintaining insulating value
• Integrated half pad sleeve keeps you securely attached to your sleeping pad from the hips up while allowing your legs to move freely; sleeping pad not included
• Vertically structured sidewalls with integrated diagonal baffles trap heat closer to the body
• Oversized interior anti-draft collar wraps around the entire body, providing a 3D barrier against cold spots
• Vaulted footbox creates extra wiggle room for your feet
• Low-profile cordlock lets you un-cinch the hood with one hand
• Interior fabric loops for sleeping bag liners; liner not included
• Exterior loops for hang drying or storage
• Includes a mesh storage sack and nylon stuff sack
• Closeout
• Imported.