---
product_id: 769025690
title: "ARENA One Go Backpack 45 Liters Swimmer Athlete Daypack Large Size Equipment Swim Bag"
brand: "arena"
price: "¥76962"
currency: JPY
in_stock: true
reviews_count: 8
category: "Arena"
url: https://www.desertcart.jp/products/769025690-arena-one-go-backpack-45-liters-swimmer-athlete-daypack-large
store_origin: JP
region: Japan
---

# 45L large capacity Aquabreathe wet management tech 7 secure compartments ARENA One Go Backpack 45 Liters Swimmer Athlete Daypack Large Size Equipment Swim Bag

**Brand:** arena
**Price:** ¥76962
**Availability:** ✅ In Stock

## Summary

> 💦 Stay dry, stay ahead – the ultimate swim bag for champions!

## Quick Answers

- **What is this?** ARENA One Go Backpack 45 Liters Swimmer Athlete Daypack Large Size Equipment Swim Bag by arena
- **How much does it cost?** ¥76962 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/769025690-arena-one-go-backpack-45-liters-swimmer-athlete-daypack-large)

## Best For

- arena enthusiasts

## Why This Product

- Trusted arena brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Organization:** 7 compartments including laptop sleeve & multiple zipped pockets for effortless access.
- • **Sweat-Free Comfort:** Breathable back panel ensures fresh, comfortable transport even after intense workouts.
- • **Travel-Ready Design:** Water-repellent bottom, carabiner, and suitcase strap make it your ultimate on-the-go companion.
- • **Spacious 45L Capacity:** Carry all your swim gear and more without compromise.
- • **Aquabreathe Ventilation System:** Advanced breathable, water-repellent fabrics keep your gear dry and odor-free.

## Overview

The ARENA One Go Backpack is a 45-liter high-performance swim and sports bag featuring Aquabreathe technology for superior wet/dry separation and ventilation. Designed with 7 compartments including a laptop sleeve, it offers organized storage and moisture protection with water-repellent fabrics and a breathable back panel. Lightweight and travel-friendly with a carabiner and suitcase strap, it’s engineered for swimmers and athletes who demand style, space, and functionality.

## Description

Organize all the stuff you need for your training. The large arena One Go Backpack 45L with a top-loading design makes packing and accessing your belongings easy. The roomy main compartment and four external zipped front pockets offer various storing options. Breathable and watertight inserts are engineered to keep wet and dry items apart. Featuring a smart laptop sleeve and two external bottle pockets. Aquabreathe, arena's new wet management system, combines breathable and water-repellent fabrics to create an advanced ventilation system that keeps water out and your gear dry. The breathable back panel ensures sweat-free transport. Equipped with a practical strap for easy attachment to a suitcase, this backpack is easy to hang with the included carabiner. The water-repellent bottom and main fabric offer protection from moisture and dirt. Dimensions: 19.7 in x 15.7 in x 9.8 in, 45 liters.

Review: Outstanding Swim Bag – Lightweight, Spacious, and Well Designed - My son absolutely loves this bag! I was initially worried it would be too big and wouldn’t fit in his school locker, but it turned out to be perfect. It fits easily and is surprisingly lightweight. The compartments are extremely well designed — there’s room for everything: a wet suit, goggles, a large parka, slides, and even a laptop. The layout makes it easy to keep wet and dry items organized. We love the look, feel, and overall usability of this backpack. It’s clearly designed with swimmers in mind. I plan to order two more for my younger swimmers in the future. Highly recommend!
Review: Great buy - Great swim bag. My daughter absolutely loves the bag. It is big to hold towels, clothes and all her swimming paraphernalia's. Great buy

## Features

- Large and super stylish athletic backpack designed for swimmers with arena’s new wet management system Aquabreathe offers plenty of room and easy access for all your swim training or sports gear
- Aquabreathe technology combines breathable and water-repellent fabrics to create an advanced ventilation system that keeps water out and your gear dry, reducing odor and moisture buildup
- Perfect for the pool, it has a roomy main compartment with a top-loading design, a smart laptop sleeve, four external zipped front pockets and two external bottle pockets for multiple storage options
- Equipped with water-repellent bottom and main fabric for moisture protection, breathable back panel for sweat-free transport, a carabiner and a practical strap for easy attachment to a suitcase
- Spacious swim equipment bag measures 19.7 x 15.7 x 9.8 inches with a 45-liter capacity, great for swim training and competitions, other sports activities, pool, gym, traveling and leisure time

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0FLFBW2W1 |
| Best Sellers Rank | #17,810 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #14 in Swimming Equipment Bags |
| Brand Name | ARENA |
| Capacity | 45 Liters |
| Closure Type | Zipper |
| Customer Reviews | 4.9 4.9 out of 5 stars (126) |
| Date First Available | August 6, 2025 |
| Handle Type | Carabiner, Shoulder Strap |
| Item Dimensions LxWxH | 15.7 x 9.8 x 19.7 inches |
| Item Package Dimensions L x W x H | 20.6 x 14.81 x 2.36 inches |
| Item Weight | 800 Grams |
| Manufacturer | Arena |
| Model Name | Arena One Go Swim Sports Backpack Travel Large Size Athletes Equipment Bag 45 Liters |
| Number of Compartments | 7 |
| Number of Items | 1 |
| Outer Material | Polyester |
| Package Weight | 0.86 Kilograms |
| Part Number | 010232-904-NS |
| Pattern | Animal Print |
| Pocket Description | Bottle Pocket, Zipped Pocket |
| Product Dimensions | 15.7"L x 9.8"W x 19.7"H |
| Shell Type | Soft |
| Strap Type | Adjustable |
| Style | 45 Liters |
| Suggested Users | unisex-adult |
| Wheel Type | No Wheels |
| Zippered Compartment Count | 5 |

## Product Details

- **Brand:** ARENA
- **Color:** Arena Tropical Delight
- **Material:** Polyester
- **Size:** 45 Liters
- **Sport:** Surfing, Swimming, Water Polo

## Images

![ARENA One Go Backpack 45 Liters Swimmer Athlete Daypack Large Size Equipment Swim Bag - Image 1](https://m.media-amazon.com/images/I/71aiRrCxnmL.jpg)
![ARENA One Go Backpack 45 Liters Swimmer Athlete Daypack Large Size Equipment Swim Bag - Image 2](https://m.media-amazon.com/images/I/71zV+3zvxWL.jpg)
![ARENA One Go Backpack 45 Liters Swimmer Athlete Daypack Large Size Equipment Swim Bag - Image 3](https://m.media-amazon.com/images/I/71peHdFoEvL.jpg)
![ARENA One Go Backpack 45 Liters Swimmer Athlete Daypack Large Size Equipment Swim Bag - Image 4](https://m.media-amazon.com/images/I/71SI3IHnNPL.jpg)
![ARENA One Go Backpack 45 Liters Swimmer Athlete Daypack Large Size Equipment Swim Bag - Image 5](https://m.media-amazon.com/images/I/71Wbj8OeAHL.jpg)

## Available Options

This product comes in different **Color, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Outstanding Swim Bag – Lightweight, Spacious, and Well Designed
*by D***Y on January 6, 2026*

My son absolutely loves this bag! I was initially worried it would be too big and wouldn’t fit in his school locker, but it turned out to be perfect. It fits easily and is surprisingly lightweight. The compartments are extremely well designed — there’s room for everything: a wet suit, goggles, a large parka, slides, and even a laptop. The layout makes it easy to keep wet and dry items organized. We love the look, feel, and overall usability of this backpack. It’s clearly designed with swimmers in mind. I plan to order two more for my younger swimmers in the future. Highly recommend!

### ⭐⭐⭐⭐⭐ Great buy
*by S***7 on February 4, 2026*

Great swim bag. My daughter absolutely loves the bag. It is big to hold towels, clothes and all her swimming paraphernalia's. Great buy

### ⭐⭐⭐⭐⭐ Excelent!
*by C***A on February 11, 2026*

Excelent! Excelent!! Excelent!!!

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**Shop now:** [https://www.desertcart.jp/products/769025690-arena-one-go-backpack-45-liters-swimmer-athlete-daypack-large](https://www.desertcart.jp/products/769025690-arena-one-go-backpack-45-liters-swimmer-athlete-daypack-large)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-12*