---
product_id: 765175402
title: "One Go Backpack Swimmers Athletes Sports Gym Rucksack Multisport Daypack"
brand: "arena"
price: "¥38643"
currency: JPY
in_stock: true
category: "Arena"
url: https://www.desertcart.jp/products/765175402-one-go-backpack-swimmers-athletes-sports-gym-rucksack-multisport-daypack
store_origin: JP
region: Japan
---

# 45L capacity for all gear Aquabreathe wet management system Dedicated laptop sleeve One Go Backpack Swimmers Athletes Sports Gym Rucksack Multisport Daypack

**Brand:** arena
**Price:** ¥38643
**Availability:** ✅ In Stock

## Summary

> 🎯 Elevate your game with the ultimate all-in-one sports backpack!

## Quick Answers

- **What is this?** One Go Backpack Swimmers Athletes Sports Gym Rucksack Multisport Daypack by arena
- **How much does it cost?** ¥38643 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/765175402-one-go-backpack-swimmers-athletes-sports-gym-rucksack-multisport-daypack)

## 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 Laptop Sleeve:** Secure your tech on the go without sacrificing style or space.
- • **Travel-Ready Design:** Attach easily to your suitcase and stay hydrated with dual bottle pockets.
- • **Spacious 45L Capacity:** Pack everything from swimwear to gym essentials with room to spare.
- • **Aquabreathe Wet Management:** Keep wet and dry gear perfectly separated and moisture controlled.
- • **Water-Repellent & Breathable:** Protect your gear from dirt and moisture while staying sweat-free.

## Overview

The ARENA One Go Backpack is a 45-liter multisport daypack designed for swimmers, athletes, and travelers. Featuring the innovative Aquabreathe system, it keeps wet and dry items separate and moisture under control. With a water-repellent exterior, breathable back panel, dedicated laptop sleeve, multiple zipped compartments, and travel-friendly attachments, it combines style, functionality, and durability for the active professional.

## Description

Organize all the stuff you need for training. The large and ultra stylish arena One Go Backpack 45L, featuring a top-loading design, allows for effortless packing and access to your belongings. The roomy main compartment and four external zipped front pockets provide multiple storage options. Breathable and watertight inserts keep wet and dry items separate. It includes 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. A practical belt allows for easy attachment to a suitcase, while the included carabiner makes hanging the backpack convenient. The water-repellent bottom and main fabric offer reliable protection from moisture and dirt. Dimensions: 19.7 in x 15.7 in x 9.8 in, 45 liters.

## Features

- Large and super stylish backpack offers plenty of room and easy access for all your swim or sports gear, featuring Aquabreathe, arena's new wet management system that keeps moisture under control
- The perfect companion for the pool, it has one roomy main compartment and four external zipped front pockets to store wet and dry stuff separately
- Includes a smart laptop sleeve, two external bottle pockets, a carabiner and a practical strap to secure it to a suitcase
- The water-repellent main fabric and bottom protect your gear from moisture and dirt, and the breathable back panel ensures sweat-free transport
- Ideal for swimming, sports, leisure time and travels, dimensions: 19.7 in x 15.7 in x 9.8 in, 45 liters

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0FLDJKPVY |
| ASIN  | B0FZC8P26V |
| Additional Features | Bottle Holder, Laptop Compartment |
| Best Sellers Rank | #80,482 in Sporting Goods ( See Top 100 in Sporting Goods ) #134 in Swimming Equipment Bags |
| Brand Name | ARENA |
| Capacity | 45 liters |
| Closure Type | Zipper |
| Color | Arena In the Wild |
| Customer Reviews | 4.7 4.7 out of 5 stars (24) |
| Customer reviews | 4.7 4.7 out of 5 stars (24) |
| Date First Available  | 21 November 2025 |
| Department  | unisex-adult |
| Handle Type | Strap |
| Item Dimensions L x W x H | 39.9L x 24.9W x 50H centimeters |
| Item Length | 19.7 Inches |
| Item Type Name | Luggage- Carry-On Luggage |
| Item Weight | 800 Grams |
| Manufacturer | Arena |
| Manufacturer  | ARENA |
| Manufacturer Part Number | 010232-903-NS |
| Material Type | Polyester |
| Model Number | 010232-903-NS |
| Number of Compartments | 7 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pattern | Animal Print |
| Pocket Description | Zipped Pocket |
| Recommended Uses For Product | Leisure, Sport, Travel |
| Shell Type | Soft |
| Size | 45 Liters |
| Sport Type | Swimming |
| Strap Type | Adjustable |
| Style Name | Arena One Go Swim Sports Backpack Travel Large Size Athletes Equipment Bag 45 Liters |
| Unit Count | 1 Piece |
| Water Resistance Level | Water Repellent |
| Wheel Type | No Wheels |
| Zippered Compartment Count | 5 |

## Product Details

- **Brand:** ARENA
- **Color:** Arena In the Wild
- **Material:** Polyester
- **Size:** 45 Liters
- **Sport:** Surfing, Swimming, Water Polo

## Images

![One Go Backpack Swimmers Athletes Sports Gym Rucksack Multisport Daypack - Image 1](https://m.media-amazon.com/images/I/71P0kYmhFaL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.jp/products/765175402-one-go-backpack-swimmers-athletes-sports-gym-rucksack-multisport-daypack](https://www.desertcart.jp/products/765175402-one-go-backpack-swimmers-athletes-sports-gym-rucksack-multisport-daypack)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-17*