IBKÜL Blog

Not all T-shirts provide the same level of sun protection. Discover how regular cotton compares to UPF 50+ clothing, why fabric matters, and how to better protect your skin from harmful UV rays during everyday outdoor activities.
A high UV index doesn't mean it's a better day to tan—it means stronger UV radiation and a greater risk of skin damage. Learn how cumulative sun exposure affects your skin and why UPF 50+ clothing is an essential part of everyday sun protection.
What’s the difference between UPF 50+ and SPF? Discover how sun-protective clothing and sunscreen work together to provide reliable, all-day UV protection.