ARENA Spiky III Backpack 45 Swimming Athlete Rucksack - Spacious Swim

Our review of the ARENA Spiky III Backpack 45 finds it best suited for swimmers and athletes who need a large, organized bag for training and competitions; the single biggest reason to buy is its thoughtful compartment layout and separate swimbag that keeps wet items isolated while offering a full 45 liters of capacity. The pack balances durability with comfort thanks to a reinforced bottom, padded breathable back panel and ergonomic shoulder straps, so it stands up to regular pool use and heavy loads without becoming uncomfortable.

Key Features

• 45 liter capacity: The roomy main compartment with a wide mouth zipper opening fits swimwear, towels, training fins and even a kickboard when packed carefully.
• Separate swimbag: A dedicated wet compartment isolates damp garments and accessories to protect dry items and help control moisture.
• Organized pockets: Three zip pockets plus a logo-stamped front mesh pocket and two wide mesh side pockets keep goggles, keys and drinks easy to find.
• Comfort and support: Padded breathable back panel and ergonomic shoulder straps reduce strain during long walks to practice or meets.
• Durable construction: Water-repellent fabric, a reinforced bottom and YKK zippers with nylon pulls deliver reliable protection and easy access over time.

Who It's For

The ARENA Spiky III Backpack 45 is aimed at competitive swimmers, swim team members and regular gym users aged 13 and up who need a large, water-aware bag that carries full training kit and wet items without contaminating dry gear. Its size and features work well for high school and club swimmers, triathletes packing swim plus transition gear, and swimmers who bring extra equipment like kickboards or multiple fins.

It is less suitable for someone seeking a minimalist daypack or for light commuters who do not need a dedicated wet compartment; if you only carry a towel and goggles a smaller, more compact bag would be a better choice.

Pros & Cons

Pros

• Large 45 liter capacity that still remains comfortable to carry when loaded.
• Separate swimbag and mesh pockets keep wet items contained and ventilation helps control moisture.
• Durable water-repellent fabric, reinforced bottom and YKK zippers for long-term use.
• Comfortable padded back panel and straps for extended wear.

Cons

• The 45 liter size can be bulky for casual users or short trips where a smaller bag would be more convenient.
• Because it is large, it can become heavy when fully packed and may be overkill for light training sessions.

Specifications

Our Verdict

The ARENA Spiky III Backpack 45 is a practical, well-built swim and training rucksack that offers excellent organization, moisture control and comfort for serious swimmers and athletes. Its large capacity and separate wet compartment make it good value for those who regularly carry full training gear, while the durable materials and thoughtful details mean it should last through heavy use.

Frequently Asked Questions

Can the bag hold wet towels and swimwear without leaking?
Yes; the included separate swimbag and mesh compartments combined with water-repellent fabric help keep wet items contained and protect dry gear.

Is the backpack comfortable to carry when full?
Yes; reviewers note the padded breathable back panel and ergonomic shoulder straps make it comfortable even when fully loaded.

Will bulky training equipment fit inside?
The 45 liter main compartment and roomy pockets can accommodate fins, paddles and even a kickboard if packed carefully.