Complete your shelter system with this fully enclosed nest built specifically for the Madison lineup (excluding the Mini). Designed to integrate seamlessly, it transforms your shelter into a fully protected, bug-proof sleep system for spring, summer, and early fall adventures. The nest features a durable, seam-sealed waterproof bathtub floor to block ground moisture and runoff, keeping your gear dry and protected. The upper portion is constructed from breathable no-see-um mesh, providing excellent airflow while keeping mosquitoes and biting insects out. A smooth U-shaped zipper entry allows for easy access and comfortable movement inside your shelter. Sized as a roomy one-person insert, you can run up to two nests per compatible shelter for a fully enclosed two-person setup. Weight: 1 lb 7 oz Lightweight, protective, and purpose-built — this nest turns your Madison shelter into a complete enclosed backcountry system.