GRANDUP Sports Backpack 28L Basketball Bag, Grey tow ton with ventilated shoe compartment and ball pocket

The GRANDUP sports backpack is a 28L multi-compartment training bag designed to carry a full-size ball, a pair of shoes, and all your gym, school, or travel essentials in one organized pack.

This backpack blends a large-capacity main compartment with purpose-built pockets so players, students, and travelers can keep equipment separated, ventilated, and easy to reach. Built for on-the-go routines, it fits basketballs, soccer balls, volleyballs, workout gear, laptops, and water bottles while offering breathable straps and a ventilated shoe area to manage odors and moisture.

How much can this bag hold for practice and travel?

The GRANDUP pack has a 28-liter capacity with a total of 12 pockets that help you distribute gear logically. It accommodates bulky items like a full-size sports ball plus separate shoe storage without crowding the main compartment.

• 28L overall volume for daily training or short trips
• Dedicated full-size ball pocket for basketball, soccer, volleyball, or football
• Shoe compartment to keep footwear apart from clothing and electronics
• Multiple interior pockets for phone, charger, notebook, and smaller accessories

Will it protect and organize tech, bottles, and small items?

Yes — the interior layout includes a multifunctional organizer that secures a laptop, phone, and stationery while mesh side pockets hold large water bottles or a pump. Compression straps keep tall bottles and rolled towels stable during transit.

• Padded inner section for a laptop or tablet
• Two large mesh side pockets that fit up to 64 oz bottles
• Quick-stash front pocket for items you need fast access to
• Compression straps to lock gear in place and reduce bounce

How does the bag handle shoes, ventilation, and comfort?

The shoe compartment is ventilated to help air circulation and reduce trapped moisture, while padded shoulder straps and a breathable back panel improve comfort on long walks. An adjustable chest strap stabilizes the load when you carry heavier equipment.

• Ventilated shoe pocket to help airflow and separation
• Padded, breathable shoulder straps and back panel for comfort
• Adjustable chest strap for better weight distribution
• Exterior bungee cord on the front for quick garment storage

Is it durable enough for daily athletic use?

Constructed from water-resistant polyester, this bag stands up to rough handling and light weather. Reinforced stitching and structured compartments keep shape and protect contents across repeated use.

• Water-resistant 102% polyester shell for everyday protection
• Durable zippers and reinforced seams for longevity
• Structured pockets that retain shape and prevent collapse
• Easy-to-clean surfaces for quick maintenance after training

Who is this for? The GRANDUP 28L sports backpack fits athletes, students, and travelers who need a single bag that stores a full-size ball, separates shoes and clothing, and keeps electronics safe. It’s ideal for club players, PE students, gym-goers, and weekend travelers who value organization, ventilation, and durable construction in a compact, easy-to-carry design.