How to Choose a Sun-Protective Swim Shirt for Babies
By Wheat børnetøj | Køb tøj til børn i høj kvalitet online | wheat.dk ... | Published: 2026-10-26
Category: How-to Guides
Learn how to pick a baby swim shirt that blocks UV rays, fits well, and lasts. Our step-by-step guide covers fabric, coverage, and care.
Quick answer
Choose a baby swim shirt with a UPF 50+ rating, long sleeves, and a snug but comfortable fit. Look for features like a front zipper and thumb holes to keep the shirt in place during active water play.
Why UPF 50+ matters for baby skin
Baby skin is thinner and more sensitive than adult skin, making it more vulnerable to sunburn. A swim shirt with UPF 50+ blocks at least 98% of UV rays, offering reliable protection even during extended outdoor play. While no fabric blocks 100% of UV, a high UPF rating is the gold standard for sun-safe swimwear.
Long sleeves vs. short sleeves: what's better?
Long sleeves provide more coverage for arms, which are often exposed and prone to sunburn. A long sleeve swim shirt also reduces the need for frequent sunscreen reapplication on the arms. However, in very hot climates, long sleeves can feel warmer; choose a breathable, quick-dry fabric to keep your baby comfortable.
4 steps to choose the right baby swim shirt
- 1. Check the UPF rating: Look for a UPF 50+ label on the swim shirt. This rating blocks 98% of UV rays. A lower rating like UPF 30 still offers protection but requires more frequent sunscreen reapplication on uncovered areas. UPF 50+ is the safest choice for babies; anything lower is a compromise.
- 2. Choose the right sleeve length: Long sleeves provide full arm coverage, reducing the need for sunscreen on arms. Short sleeves are cooler but leave more skin exposed. For babies who spend hours in the water, long sleeves are the better sun-safe option. If your baby tends to get warm, look for a lightweight, breathable fabric even with long sleeves.
- 3. Look for a secure fit and easy dressing: A swim shirt with a full front zipper makes dressing a wiggly baby much easier. Thumb holes help keep sleeves from riding up, ensuring continuous coverage. A chin guard prevents the zipper from irritating delicate skin. Avoid shirts that are too tight or too loose; a snug fit prevents bunching and gaps.
- 4. Consider fabric and care: Most sun-protective swim shirts are made from recycled polyester or nylon blends. These fabrics dry quickly and resist fading. To maintain UV protection, rinse the shirt in cold water after each use and avoid fabric softeners, which can reduce UPF effectiveness. Hand washing or a gentle machine cycle prolongs the shirt's life and UV performance.
Featured product
- Langærmet Bade T-shirt Ada - morning sky hearts: This long-sleeve swim shirt has a full front zipper, thumb holes, and a chin guard. It is made mostly from recycled polyester and offers UV 40+ / UPF 40+ protection. The zipper makes dressing easy, thumb holes keep sleeves in place during active play, and the recycled fabric is both sun-safe and eco-friendly.
Langærmet Bade T-shirt Ada - morning sky hearts
