Polyfit Rucking Backpack 2.0 - Weighted Ruck Pack for Weight Plates - Patent Pending Side-Loading Rucksack for Walking, Running, Rucking, Strength and Endurance Training - Black

About this item

• Weight Plates Sold Separately. Compatible with Polyfit Weight Plates and cast iron rucking weight plates up to 10x12 inches. Maximum load capacity up to 40 lbs.
• 【HIGH PERFORMANCE RUCKING BACKPACK】Specifically designed for rucking weight plates, this backpack keeps the weight close to your upper back for better posture, less forward lean, and maximum training efficiency. The secure plate placement improves comfort and range of motion—so you can ruck harder and longer. Just load your weight and go.
• 【RUCK-OPTIMIZED LOAD SYSTEM】Our patent-pending side-loading design makes it easy to insert or remove weight plates while keeping them locked in place with an internal buckle system—no shifting, even during intense movement. Holds up to 40 lbs and fits Polyfit Weight Plates, cast iron plates, and similar styles up to 10 x 12 inches (plates sold separately).
• 【ONE SIZE FITS MOST】Fits body types from Extra Small to Extra Large (XS–XL). Note: On XL+ or tall frames (6’4”+ with broad shoulders/chest), the fit may feel snug—see sizing photos for reference. Suitable for men and women.
• 【COMFORTABLE & BREATHABLE FIT】Engineered for all-day comfort, this rucking backpack features padded straps and a breathable back panel to reduce strain and keep you cool during long rucks or challenging hikes. Its compact design minimizes bulk for a snug fit, while providing the durability and weight capacity needed to tackle your toughest challenges.
• 【MAX RANGE OF MOTION】Lightweight, low-profile design moves naturally with your body, giving you full freedom of movement for rucking, bodyweight workouts, and high-intensity training.