Blackburn Outpost Seatpack w/Dry Bag

The Blackburn Outpost Seatpack w/ Dry Bag delivers expansive, waterproof storage for bike adventures without requiring racks. It combines a rugged outer harness with a fully removable welded dry bag—ideal for bikepacking, commuting, or day trips.

Specs at a Glance

• Capacity: 11 L (≈ 671 ci).
• Dimensions: Approximately 152 × 203 mm (collapsed) to 420 mm (extended).
• Weight: About 475 g (1.05 lb) for the system. :contentReference[oaicite:2]{index=2}
• Mounting: Adjustable hook-and-loop straps allow fitment on almost any bike (not recommended for carbon seatposts). :contentReference[oaicite:3]{index=3}
• Construction: Durable harness with daisy-chain loops for extra gear, plus welded roll-top waterproof dry bag. :contentReference[oaicite:4]{index=4}
• Expandable Design: Compresses for lighter loads or expands when extra capacity is needed. :contentReference[oaicite:5]{index=5}

Design Benefits

1. Convenient access: Dry bag can be quickly removed while the harness stays mounted—a time-saving and practical setup. :contentReference[oaicite:6]{index=6}
2. Waterproof protection: Welded seams and roll-top closure keep contents dry even in heavy rain. :contentReference[oaicite:7]{index=7}
3. Secure and stable: Rides solid without sway, even on rough terrain, thanks to snug harness fit and compression straps. :contentReference[oaicite:8]{index=8}

Final Take

The Blackburn Outpost Seatpack w/ Dry Bag is versatile, durable, and thoughtfully designed for riders needing efficient, waterproof carry capacity—perfect for bikepackers, commuters, and long-ride adventurers.