Welcome to meet this practical and stylish TYR 45-litre multifunctional printing backpack! Made from premium waterproof Oxford nylon fabric, it is lightweight yet durable and can withstand everyday wear and light rain. The inner layer features a breathable mesh design to enhance ventilation and help keep you comfortable even when carrying it for long periods. The multifunctional storage space design includes a large 45-litre main compartment, front zippered pocket, two side mesh pockets, and a hidden zippered compartment, making it easy to store items such as laptops, water bottles, and mobile phones.
This backpack is not only suitable for outdoor camping and hiking, but also perfect for daily commuting, traveling, and outdoor sports. The classic print design combines urban sensibility with vibrant energy, making it a versatile choice for both casual outfits and sportswear. Its lightweight and easy-to-carry design lets you tackle any situation with ease, no matter where you are or what you're doing.
The TYR Alliance 45L Backpack is designed with fabric technology to ensure a lightweight feel and durable, water resistant construction.
Product Specifications: 20"H x 13.5"W x 10.5"D (51cm x 34cm x 27cm)
A guide to selecting and managing professional swimming equipment bags
Q: What is the biggest difference between professional swimming backpacks and ordinary sports bags?
A: 核心區別在於乾濕分離系統 (Dry/Wet Separation)。專業游泳包設有獨立的防水隔層或通風網袋,讓您能將濕泳衣、毛巾與乾淨衣物、電子產品完全分開,避免交叉污染與異味。此外,專業包款會針對游泳器材(如打水板、蛙鞋)設計專屬的外部掛載區或大容量主袋。
Q: 如何根據我的訓練強度選擇背包容量 (30L, 40L, 50L+)?
A: The selected capacity should be based on your "single carrying capacity":
– 30L (輕量款):適合日常健身游泳,僅攜帶泳衣、毛巾與基本配件。
– 40L (標準款):適合大多數泳手,可容納額外衣物、中型訓練器材及洗漱用品。
– 50L+ (專業/三鐵款):專為競速泳手或三鐵運動員設計,能輕鬆放入打水板、長蛙鞋、大浴巾及營養補給品。
Q: 防水袋 (Dry Bag) 在游泳運動中扮演什麼角色?
A: Waterproof bags are an excellent aid. It can be used as a "secondary sealing layer" in the backpack to seal extremely wet equipment to ensure that the main body of the backpack is completely dry; or when swimming in open water outdoors, it can seal valuables such as mobile phones and car keys to prevent them from accidentally falling into the water or getting wet in the rain.
Q: How durable is a professional backpack? How to maintain it to extend its life?
A: The backpacks provided by Dolphin eShop are mostly made of high-density water-repellent nylon or reinforced polyester fiber, which is wear-resistant and tear-resistant. Maintenance suggestions: After swimming in the water, please open the wet area compartment for ventilation to avoid long-term sealing that may cause a musty smell. If the surface is dirty, it is recommended to wipe it gently with a damp cloth and avoid using strong chemical detergents to avoid damaging the waterproof coating.













Tony Cheung –
Very modern look, great for athletes.
明 –
外觀設計好modern,好適合運動型嘅人。
敏 –
印花好型,平時用嚟做旅行袋都得。
志強 –
背帶設計得幾舒服,裝滿嘢背上身都唔太重。
志豪 –
拉鏈好順滑,唔會卡住卡住。
家輝 –
好實用,依家去游水無咗佢唔得。
明 –
隔層好多,乾濕分離做得好好。
敏 –
45L容量真係好大,可以裝晒我啲打水板同蛙鞋。
俊傑 –
防水底好實用,放喺泳池邊都唔怕入面啲嘢濕。