---
product_id: 765175374
title: "One Go Backpack 45 Liters Swimmer Athlete Daypack Large Size Equipment Swim Bag"
brand: "arena"
price: "¥78284"
currency: JPY
in_stock: true
reviews_count: 13
category: "Arena"
url: https://www.desertcart.jp/products/765175374-one-go-backpack-45-liters-swimmer-athlete-daypack-large-size
store_origin: JP
region: Japan
---

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

**Brand:** arena
**Price:** ¥78284
**Availability:** ✅ In Stock

## Summary

> 💼 Dive into organized, odor-free training with Arena’s ultimate swim backpack!

## Quick Answers

- **What is this?** One Go Backpack 45 Liters Swimmer Athlete Daypack Large Size Equipment Swim Bag by arena
- **How much does it cost?** ¥78284 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/765175374-one-go-backpack-45-liters-swimmer-athlete-daypack-large-size)

## 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

- • **Room for Everything:** Generous 45L capacity fits swim gear, laptop & more with ease
- • **Travel-Ready Design:** Carabiner & suitcase strap for seamless on-the-go attachment
- • **Stay Dry, Stay Fresh:** Aquabreathe tech keeps moisture out and odor down for all-day freshness
- • **Effortless Organization:** 7 compartments including 4 external zipped pockets & bottle holders
- • **Comfort Meets Convenience:** Breathable back panel and adjustable straps for sweat-free, ergonomic carry

## Overview

The Arena One Go Swim Sports Backpack is a 45-liter, large-capacity bag engineered for swimmers and athletes. Featuring Arena’s innovative Aquabreathe wet management system, it combines breathable, water-repellent fabrics to keep gear dry and odor-free. With 7 compartments including a laptop sleeve, multiple external pockets, and bottle holders, it offers versatile storage. The breathable back panel ensures sweat-free comfort, while the carabiner and suitcase strap enhance travel convenience. Lightweight yet durable, this backpack is designed to elevate your swim training and travel experience.

## 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: Had to have - My granddaughter wanted this bag so bad for Christmas. Grandma to the rescue. She is on a swim team and needed it for meets. It holds all her swim essentials and is quite sturdy. She is a very happy camper with this bag. I am also thrilled to get her something she really wanted.

## 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 | B0FLFC7NQH |
| Best Sellers Rank | #15,365 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 | 4.8 4.8 out of 5 stars (133) |
| 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 | 21.5 x 15 x 2 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 | 0.89 Kilograms |
| Part Number | 010232-909-NS |
| Pattern | Geometric |
| 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 Ripple Print
- **Material:** Polyester
- **Size:** 45 Liters
- **Sport:** Surfing, Swimming, Water Polo

## Images

![One Go Backpack 45 Liters Swimmer Athlete Daypack Large Size Equipment Swim Bag - Image 1](https://m.media-amazon.com/images/I/715mgJJ+gfL.jpg)

## 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!

### ⭐⭐⭐⭐⭐ Had to have
*by C***M on January 22, 2026*

My granddaughter wanted this bag so bad for Christmas. Grandma to the rescue. She is on a swim team and needed it for meets. It holds all her swim essentials and is quite sturdy. She is a very happy camper with this bag. I am also thrilled to get her something she really wanted.

### ⭐⭐⭐⭐⭐ Review
*by L***O on January 19, 2026*

Las especificaciones indicadas por la tienda son tal cual el producto, se evidencia muy buena calidad, a mi hija le encantó!!

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**Shop now:** [https://www.desertcart.jp/products/765175374-one-go-backpack-45-liters-swimmer-athlete-daypack-large-size](https://www.desertcart.jp/products/765175374-one-go-backpack-45-liters-swimmer-athlete-daypack-large-size)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-25*