Rainfly for Outdoor Backpack, 45L
When your backpack needs total protection from the elements, look no further than the ultra-packable waterproof Outdoor Rain Fly. Constructed from waterproof Terra Shell™ 50D recycled ripstop nylon with a 2,000mm hydrostatic coating and fully-taped seams, the Outdoor Rain Fly keeps your pack dry in the gnarliest of downpours. A cinchable elastic cord around the perimeter of the rain cover ensures it fits tightly around your bag, and laser-cut holes at the bottom allow any moisture that seeps in to quickly drain. When not in use, the Outdoor Rain Fly stuffs into a zippable mesh pouch that can hang on outside of your bag to dry out. Fabrics are Bluesign-approved and PFAS-free. Fair Trade Certified and 100% carbon neutral.
Our Review
Peak Design Rainfly for Outdoor Backpack — Keep Shooting When the Sky Opens Up
The gist: A bomber rain cover built specifically for Peak Design’s Outdoor Backpack line — the insurance policy that lets adventure photographers and nomads keep moving in any weather.
- Serious waterproofing: Terra Shell™ 50D recycled ripstop nylon with a 2,000mm hydrostatic coating and fully-taped seams keep contents dry in sustained downpours
- Ultra-packable: Stuffs into its own included zippered mesh pouch, adding negligible bulk to any travel or hiking kit
- Secure fit: Cinchable elastic cord around the perimeter locks the cover tight to the bag, with laser-cut drainage holes at the bottom to shed pooled water
- Sustainable build: Bluesign-approved and PFAS-free fabric, Fair Trade Certified manufacturing — a responsible pick for eco-conscious travelers
Pack Hacker, in their 7.7/10 review of the Outdoor Backpack 25L, specifically noted that “if you want additional protection” the rainfly is the right call — flagging that the bag’s magnetic rolltop closure alone left them “worried water could make its way inside.”
Best for: Outdoor and travel photographers, digital nomads, and hiking travelers who carry expensive gear and need reliable weather protection on trails, city commutes, or long-haul trips. Skip it if: You primarily travel in dry climates or already use the 45L with a different brand of rain cover that fits well. Runs ~$29.95 — check the current price before buying.
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