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Product guide

ARENA Spiky III 45 Pool Backpack, 45 L

The ARENA Spiky III is a 45-litre swimming and sports backpack with water-resistant fabric, several pockets and a separate wet-clothing bag. Its roomy layout suits pool or gym kit, while the listed dimensions make it a sizeable day bag.

At a glance

45-litre capacity is intended for swimming, gym, school and leisure gear.
The listing describes three zipped pockets, mesh side pockets and a separate bag for wet clothing.
Padded shoulder straps and a breathable back panel are claimed for carrying comfort.
Water-resistant fabric and a reinforced, water-repellent bottom are stated in the listing.

Price

£44.69Save 28%

Reference price: ~~£61.92~~

Price checked: 14 Nov 2026

View offer

Often bought together

Arena Swim Goggles CASE - All Black

£13.10

Pros and cons

Pros

Large stated capacity and multiple storage areas help separate everyday items and swim gear.
A separate wet-clothing bag is a practical addition for pool trips.
Padded straps and a breathable back panel are specified for backpack use.

Technical specifications

20 specifications

Identity
Brand	ARENA
Model	005569-102-NS
Product type	SPIKY III BACKPACK 45
Size	One Size
Colour	Plum-neon_pink

Capacity and organisation
Capacity	45 litres
Main compartments listed	1
Zipped compartments	3
Pocket description	three additional zip pockets, separate swimbag for wet garments
Handle	top handle
Straps	Adjustable

Dimensions and installation
Dimensions listed	36L x 36W x 50H centimetres
Weight listed	505 Grams
Wheels	No Wheels

Materials and protection
Material listed	Nylon
Water resistance listed	Water Resistant
Shell	Soft
Closure	Zipper

Use
Sport	Swimming
Recommended uses	swimming, gym, school, leisure, travel

What to know before buying

Listing details to confirm

The listing is inconsistent about compartment count and dimensions: details give one compartment and 36L x 36W x 50H centimetres, while feature text describes two main compartments and 50 x 36 x 27 cm. It also alternates between nylon and a 90% Nylon, 10% Polyester fabric description. Check the selected listing if these details affect fit or material choice. Water resistance is described, not a claim of full waterproofing.

What’s in the box

Wet-clothing bagCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Swimmers who want a roomy backpack with separate storage for wet garments.
Gym users or travellers carrying bulky kit and preferring multiple pockets.

Less suited to

Buyers who need confirmed dimensions or fabric composition before purchase.
Anyone requiring a wheeled bag or a stated fully waterproof pack.

ARENA Spiky III 45 Pool Backpack, 45 L · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 1,593 ratings

5 stars88%88%
4 stars8%8%
3 stars2%2%
2 stars1%1%
1 star1%1%

Customer feedback highlights the bag's roomy capacity, storage pockets, appearance and perceived durability. Some customers describe it as larger than previous swim bags and able to hold their kit, while build quality receives mixed feedback. For buyers considering the stated 45-litre capacity and pocket layout, that positive size feedback is relevant, but the mixed build-quality response means experiences are not uniform.

Positive themes

Customers report that the bag is roomy and has useful pockets.
Feedback describes its design positively and includes reports of durability.

Mixed feedback

Build quality receives mixed feedback.

Frequently asked questions

How much can the ARENA Spiky III hold?

The listing states a 45-litre capacity. It is presented as suitable for swimming, gym, school, leisure and travel gear.

Does it have a separate wet-clothing bag?

Yes. The listing describes a separate swimbag or bag for wet garments.

Is the backpack waterproof?

It is described as water-resistant, with a water-repellent base. The listing does not establish that the whole bag is waterproof.

What are its dimensions?

The listing gives conflicting measurements: 36L x 36W x 50H centimetres in the details and 50 x 36 x 27 cm in feature text. Confirm the dimensions with the selected listing if they are important.