Peak Design Outdoor Rain Fly for 45L Backpacks | Waterproof Rain Cover

Weatherproof performance built for real-world trips

When you can’t predict the weather, a reliable rain cover becomes essential. The Peak Design Outdoor Rain Fly shields a backpack from rain, snow, and splashes, while remaining compact and easy to deploy. Designed to cover 25-30L or 45L packs, it provides a protective shell that travels with you from trailhead to campsite, without adding bulk.

Its thoughtful design is meant to be practical in the field: you can pull it over a pack in seconds, and the cover stays put as you move through changing conditions. The result is protection you can rely on, with flexibility for a wide range of adventures.

• Full coverage design with fully taped seams for rain and snow protection
• 2,000 mm hydrostatic coating on Terra Shell 50D ripstop nylon for moisture resistance
• 100% recycled Terra Shell fabric supports durable performance with an eco-conscious touch
• Cinchable elastic cord for a secure, adjustable fit over most 45L packs
• Laser-cut drainage holes to help prevent moisture from pooling inside

Packable and travel-ready

When not in use, the rain fly packs into a breathable mesh pouch with a zipper closure and a hanging loop for quick drying. It’s available in two sizes to fit 25-30L or 45L backpacks and includes a stuff sack to simplify travel and storage.

• Compact, lightweight design that travels well in a suitcase or daypack
• Mesh pouch with zipper closure and hanging loop for fast drying
• Two sizes to fit different backpack volumes, plus a convenient stuff sack

Real-world use and durability

On misty ridges, snowy approaches, or sudden downpours, this rain fly offers a practical layer of protection that helps keep gear dry and ready. The combination of recycled materials, rugged construction, and a simple deployment process supports an unfussy approach to staying dry on ambitious routes and relaxed weekend trips alike.

Peak Design emphasizes durable, long-lasting gear designed around real needs. The Outdoor Rain Fly reflects that approach with a straightforward, capability-forward solution for hikers, travelers, and outdoor lovers who value reliability and efficiency in wet conditions.