10 Best Backpack Rain Covers 2025 in the United States

The Sea to Summit Ultra-Sil Lightweight Waterproof Backpack Cover in medium size is designed to keep your backpack dry during hikes, backpacking trips, and travels. Made from durable 30D Ultra-Sil Cordura material, it ensures waterproof protection with its seamless construction. The cover fits backpacks ranging from 50 to 70 liters, making it versatile for various pack sizes.

Additionally, it is incredibly lightweight, weighing just 4 ounces, which makes it easy to carry without adding significant weight to your load. It packs down compactly into an included mini stuff sack, ensuring it doesn't get lost and is easy to store when not in use. The keeper straps help secure the cover tightly across the backpack harness, offering a snug fit that stays in place even during movement.

Its ultralight material might not be as durable under rough handling or extremely harsh weather conditions. The absence of reflective elements is another drawback, particularly for those who venture out in low-light conditions. Despite these minor drawbacks, the Sea to Summit Ultra-Sil Lightweight Waterproof Backpack Cover is a reliable and efficient option for keeping your backpack dry in most conditions.

The Joy Walker Backpack Rain Cover is a versatile and practical solution for protecting your backpack during outdoor activities like hiking, camping, and traveling. It is designed to fit backpacks ranging from 15L to 25L, with dimensions that ensure a snug fit. The material used is 210T taffeta, which is both wear-resistant and durable, supporting a high waterproof rating of 10,000 mm. This means it can effectively keep your backpack dry in heavy rain, fog, and snow. The four-layer construction adds extra protection, with an external rip-resistant fabric and double waterproof coated internal layers to fend off water, dirt, and scratches.

One of the standout features is the upgraded buckle strap, which helps keep the cover securely in place, preventing it from slipping off during movement. Additionally, the cover is lightweight, weighing only 0.07 kilograms, and comes with a compact storage pouch, making it easy to carry and store when not in use. The product also includes a VIP customer service offering free size exchanges and replacements for ripped covers without the need to return the product.

The cover lacks reflective elements, which could be a drawback for those needing visibility in low-light conditions. The Joy Walker Backpack Rain Cover is a reliable and well-constructed option for anyone looking to protect their backpack from harsh weather conditions while engaging in outdoor activities.

The Osprey Ultralight Raincover for Backpack in Shadow Grey is a great choice for hiking and backpacking enthusiasts looking for reliable protection against the elements. Made of durable nylon, this raincover is designed to keep your backpack dry and secure. Weighing only 0.18 pounds, it's impressively lightweight and won’t add unnecessary burden to your load.

Additionally, its packable nature ensures it takes up minimal space when not in use, making it easy to carry along on any adventure. The full wrap-around 'cinch' attachment system effectively secures the cover to your backpack, providing a snug fit to keep water out.

The large size of the raincover is suitable for backpacks with a capacity of up to 30 liters, which should cater to many users' needs. While it excels in many areas, the lack of reflective elements might be considered a drawback for safety during low-light conditions. If you’re looking for a dependable and ultralight raincover for your outdoor adventures, the Osprey Ultralight Raincover might be a solid option despite a few minor limitations.