# ARENA One Go 45L Swimming Backpack, Model 010231-100-NS

Model: The ARENA One Go is a 45-litre swimming and sports backpack with separated storage options for pool gear, everyday items and a laptop. Its water-repellent fabric and trolley strap suit pool trips and travel, while the listing’s detailed pocket counts and composition are not fully consistent.

- [Original product page](https://bargainpostbox.co.uk/product/arena-one-go-45l-swimming-backpack)
- [View offer](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: ARENA
- Model: 010231-100-NS
- Category: Fashion & Accessories > Bags & Luggage > Backpacks
- Price: 40.69 GBP
- Previous price: 62.64 GBP
- Discount: 35%
- Price checked: 2026-11-14T19:42:28.331Z
- Rating: 4.8 / 5
- Reviews: 331

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- 45-litre main capacity and a top-loading design.
- Listing describes four external front zip pockets, a laptop pocket and two external bottle pockets.
- Aquabreathe is described as combining breathable and water-repellent materials for moisture management.
- A trolley strap is specified for attaching the bag to a suitcase.
- Water-repellent main fabric and base are claimed to help protect contents from moisture and dirt.

## Pros

- Large 45-litre capacity with multiple stated storage areas for organising swimming and travel gear.
- Laptop pocket and two bottle pockets add dedicated spaces beyond the main compartment.
- Trolley strap and breathable back panel are useful features for travel and carrying between pool sessions.

## Specifications

### Identity
- Brand: ARENA
- Model: 010231-100-NS
- Size: TU
- Colour: Black
### Capacity and dimensions
- Capacity: 45 litres
- Dimensions: 50L x 40W x 25H centimetres
- Weight listed: 1000 Grams
### Materials and protection
- Material listed: Nylon
- Water resistance listed: Water Repellent
- Shell type: Soft
- Pattern: Solid
### Storage and carry
- Number of compartments: 7
- Pocket description: Slip Pocket, Stash Pocket, Utility Pocket
- Closure: Zipper
- Strap type: Shoulder Strap
- Wheels: No Wheels
- Special feature: Aquabreathe moisture management system
### Use and origin
- Sport: Swimming, sports
- Recommended uses: Swimming pool, sports, leisure, travel
- Country of origin: China
- Manufacturer warranty description: 2 year manufacturer
- Number of items: 1

## Before you buy

- The listing is inconsistent about composition and storage: details list Nylon, while feature text says 60% Nylon and 40% Polyester. It also states seven compartments and seven zippered compartments, but separately describes four front zip pockets plus a main, laptop and bottle storage. Confirm the construction and pocket layout for the selected version. Water-repellent does not establish that the bag is waterproof.

## In the box

- No components listed as included (Included): The manufacturer contents field says “no components included”. The backpack itself is the product for sale.

## A good fit for

- Swimmers or sports users who want a large bag with separated storage for kit and everyday belongings.
- Travellers who would use a laptop pocket and a strap for attaching the bag to a suitcase.

## Less suited to

- Anyone who needs wheels or a confirmed waterproof bag rather than water-repellent protection.
- Buyers who need a precisely verified pocket layout or fabric composition before purchase.

## Customer feedback

Customer feedback describes the backpack as spacious and of good quality, with plenty of pockets. That fits the listed 45-litre capacity and multiple storage areas, which may help organise pool or sports gear. Aggregate ratings are largely in the top categories, but ratings alone do not confirm particular features or resolve the listing’s inconsistent pocket details.
- Positive themes: Customers describe the bag as spacious and of good quality, with lots of storage pockets.

## Frequently asked questions

### Is the ARENA One Go backpack waterproof?
The listing describes its fabric and base as water-repellent and claims moisture management. It does not establish that the bag is waterproof.
### How much can the backpack hold?
The listed capacity is 45 litres. The listed dimensions are 50L x 40W x 25H centimetres.
### Does it have space for a laptop and bottles?
Yes. The feature text describes a laptop pocket and two external bottle pockets.
### How many pockets or compartments does it have?
The listing says seven compartments and seven zippered compartments, while its feature text separately describes four front zip pockets and other storage areas. The exact layout is not clear, so confirm it for the selected version.

## Alternative options

- [arena Spiky III 45 Pool Backpack, Swimming, Gym, Sports and Leisure Backpack, Water-repellent Fabric Travel Bag with Padded Shoulder Straps, Including Wet Clothing Bag, 45 Liters](https://bargainpostbox.co.uk/visit/arena-spiky-iii-45-pool-backpack)
- [Arena Spiky III](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)
- [TYR Unisex Alliance Backpack - Purple/Black, 45 Litre](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)
- [Arena Team Sports Backpack for Men and Women Cheetah Design 45 Litres](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)
- [Speedo Adult Unisex 35L Team Swim Bag Backpacks, Black, One Size](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)
- [Arena All Set 45L Swimming Pool Backpack, Travel, Sports and Leisure, Water-Repellent Travel Bag with Moisture Management Technology, Laptop Pocket and Trolley Strap](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)
- [TYR Unisex Alliance Backpack - Navy Red, 45 Litre](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)
- [Swimz Freestyle Backpack V2.0 45L Sports/Swim Backpack - Large 45L Capacity Swim Bag \(Black/White\)](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)
- [TYR Unisex Alliance Backpack Backpack](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)
- [TYR Unisex Alliance Backpack backpacks](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)
- [G4Free 45L/60L 3 Way Travel Backpack Large Luggage Gym Bag with Wet Compartment and Shoe Compartment for Travel, Swimming, Yoga, Hiking, Camping](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)
- [TYR Big Mesh Mummy Backpack for Swim, Gym and Workout Gear, 40-Liter Capacity](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)

## Add-ons

- [Arena Swim Goggles CASE - All Black](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)
- [ARENA Cobra Ultra Swipe Mirror Unisex Adult Racing Swimming Goggles, Swimming Pool Goggles with Curved Mirror Lenses, Anti-Fog, UV Protection, 5 Interchangeable Nose Bridges](https://bargainpostbox.co.uk/visit/arena-one-go-45l-swimming-backpack)

## Images

![ARENA One Go 45L Swimming Backpack, Model 010231-100-NS — 1](https://bargainpostbox.co.uk/i/BJG1LzylES1xJHTQHMRWp7YIFlxzqOV_jRp-XWoEGzhRlqqMMVKviqZJQInIpiJ_mCV_Lfj8amP1m0qBvYWW_8w_dwFPKBIEb7TLhzU2Hl3p7PA3EI8pqKCY.jpg)

![ARENA One Go 45L Swimming Backpack, Model 010231-100-NS — 2](https://bargainpostbox.co.uk/i/Wxw_-ZI3YQcr4_lXiiVBJ3K0-sq3AHc3DbzO3FUFu8x4bjeJQsxrjD9zPqz84nM52Ffr8fzNFK9NSa-Uh5tpsbYcDSZQJRHnadeFAEfos8NfZ2i3imu-rFIq.jpg)

![ARENA One Go 45L Swimming Backpack, Model 010231-100-NS — 3](https://bargainpostbox.co.uk/i/HkSVJww1gGdf1Y9HcquQ5Z_ygRQbj4TkYil1b0jcwUz7_2dOMYeXldkpe5bpliKASo9nuAHr_xxHHPsaVAGYEDCTtaYfEhTxOAwHOtaEBgmBl2N6NUtku2m5.jpg)

![ARENA One Go 45L Swimming Backpack, Model 010231-100-NS — 4](https://bargainpostbox.co.uk/i/vAsNvDEyZfgNUVqYN-1Q5vft4O50Vatl4uYKH0KuKaxzskFb57Rk2OCYTo_4ahBlj9payJ-U96pC0w43HEQpoWO2qnxaI_d79fiuOgDEeniYXkQGdOWqLlHe.jpg)

![ARENA One Go 45L Swimming Backpack, Model 010231-100-NS — 5](https://bargainpostbox.co.uk/i/MY1LCoCUOZfgZW_OsXSeL1p3CxxGFhxLBgNY_J5x4ikhlgUhAapF8D2OwdGwWU4FZh0vHC8LnCZJ-Q2_4hY1uQ3u2zs9E-jfjlXc_Zng5mBFD7ooXB8tH0di.jpg)

![ARENA One Go 45L Swimming Backpack, Model 010231-100-NS — 6](https://bargainpostbox.co.uk/i/2PyKXMuJo7g0Xa-oStG4xH_uya4ek5ZGVyOwy9KKri_0ZpgA6AnU96UX1tcy8-d5XMxwXDVa1tejtDeY98CJHCs1lkTq-0mqe3ojRweOyYxUGeqxscjc-kBf.jpg)

![ARENA One Go 45L Swimming Backpack, Model 010231-100-NS — 7](https://bargainpostbox.co.uk/i/SIWo1XGTWqh2nKSDrbLpHhc3U2oY0Qe-EGUasgjTx6IBk5Jhe6eGyBhLhutoINJqivd1WpQuj9MZDTDgHnhW3mmn32RyPgN4LA3GqOcGaBlyWixLfdvIf_EY.jpg)