Keeping children protected from the sun at the pool, beach, or splash park is one of the most important things you can do on a summer day — and UV-protective swimwear is far more reliable than sunscreen alone, especially on wriggling toddlers. BANZ is one of the most trusted names in children's sun protection, and their UPF 50+ swimwear range is clinically tested, chlorine-resistant, and machine washable. Our Clothing collection carries three of their core swimwear styles: a full-coverage one piece swimsuit, a long sleeve rash shirt, and a short sleeve rash shirt. Here's how they compare so you can build the right sun-safe kit for your child.
1. BANZ One Piece Swimsuit – UPF 50+ for Infants & Toddlers
From £14.99
The BANZ One Piece Swimsuit is the maximum-coverage option — a 3/4 sleeved full-body swimsuit specifically designed for infants and toddlers who need the most protection with the least fuss. Two practical features set it apart: a front zipper for easy on and off, and an inseam zipper for quick nappy access without removing the whole suit. Made from 82% Polyamide / 18% Spandex, it's chlorine and fade resistant, guaranteed to keep its shape all season, and machine washable. UPF 50+ clinically tested, chemical-free protection. From £14.99, it's the most premium piece in this comparison and the most practical for the youngest children.
Best for: Infants and toddlers, maximum UV coverage, nappy wearers, parents wanting the easiest on/off solution.
Coverage: Full body, 3/4 sleeve | UPF rating: 50+ (clinically tested) | Features: Front zipper + inseam nappy zipper | Material: 82% Polyamide, 18% Spandex | Machine washable: ✅
2. BANZ Long Rash Shirt – UPF 50+ Long Sleeve Rashguard
From £12.40
The BANZ Long Rash Shirt is the mix-and-match top for maximum arm and torso coverage — a long sleeve rashguard cut longer than standard to provide maximum protection and comfort. Worn with swim bottoms or board shorts, it gives children the flexibility to create their own look while keeping arms and torso fully covered. It's the right choice for children who are more active in the water and need full arm coverage, or for parents who want to pair a UV top with existing swim bottoms. The same UPF 50+ clinically tested, chlorine-resistant, machine-washable construction applies. From £12.40.
Best for: Active water play, full arm coverage, mix-and-match with existing swim bottoms, beach and pool days.
Coverage: Full arms + torso | UPF rating: 50+ (clinically tested) | Style: Long sleeve rashguard top | Material: 82% Polyamide, 18% Spandex | Machine washable: ✅
3. BANZ Short Rash Shirt – UPF 50+ Short Sleeve Rashguard
From £11.80
The BANZ Short Rash Shirt is the most affordable option — a short sleeve rashguard cut longer than standard to maximise torso coverage while keeping arms free. It's the right choice for warmer days when full arm coverage feels too hot, or for older children who prefer the feel of a short sleeve top. Like the long rash shirt, it pairs with any swim bottom. The same UPF 50+ clinically tested, chlorine-resistant, machine-washable construction applies. From £11.80, it's the most accessible entry point into the BANZ UV swimwear range.
Best for: Warmer days, older children, mix-and-match styling, those wanting UV torso protection with free arms.
Coverage: Torso + partial arm | UPF rating: 50+ (clinically tested) | Style: Short sleeve rashguard top | Material: 82% Polyamide, 18% Spandex | Machine washable: ✅
Side-by-Side Comparison
| Feature | One Piece Swimsuit | Long Rash Shirt | Short Rash Shirt |
|---|---|---|---|
| Price (from) | £14.99 | £12.40 | £11.80 |
| Style | Full body one piece | Long sleeve top | Short sleeve top |
| Arm Coverage | ✅ 3/4 sleeve | ✅ Full long sleeve | Short sleeve only |
| UPF Rating | ✅ 50+ | ✅ 50+ | ✅ 50+ |
| Nappy Access | ✅ Inseam zipper | ❌ | ❌ |
| Mix & Match | ❌ (full suit) | ✅ | ✅ |
| Machine Washable | ✅ | ✅ | ✅ |
| Best For | Infants, toddlers, nappy wearers | Active play, full arm cover | Warmer days, older children |
Which BANZ Swimwear Is Right for Your Child?
For infants and toddlers still in nappies, the One Piece Swimsuit from £14.99 is the most practical option — the inseam zipper for nappy access is a genuinely useful feature that saves a lot of faff at the pool, and the 3/4 sleeve coverage means you don't need to apply sunscreen to arms and torso. For older children who want more flexibility, both rash shirts pair with any swim bottom. Choose the Long Rash Shirt from £12.40 for maximum arm coverage on intense sun days, and the Short Rash Shirt from £11.80 for warmer days when full sleeves feel too hot but you still want reliable UPF 50+ torso protection.
A note worth making: BANZ swimwear is clinically tested to UPF 50+, which blocks over 98% of UV radiation. Some brands only test to UPF 30+ — worth checking before you buy. Browse all three and more in our Clothing collection.
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