Premium Large-Capacity Marathon Running Backpack – Keep Flagship Shop Exclusive
High-density polyester fabric with reinforced stitching ensures durability and tear resistance during long-distance runs. Lightweight yet spacious 20L main compartment fits hydration bladders, energy gels, and full marathon essentials. Ventilated mesh back panel and adjustable sternum straps provide ergonomic support, reducing shoulder strain over extended wear. Reflective logos enhance visibility for low-light training sessions. Ideal for ultramarathons, trail running, and gym-to-outdoor transitions. Water-resistant zippers and hidden pockets secure valuables against sweat and rain. Bulk order discount available – wholesale pricing for fitness retailers and running clubs. Ships globally with consolidated logistics for cost efficiency.