Sun protection on the bike usually means choosing between full arm and leg coverage or accepting that you'll have tan lines wherever your kit ends. Pearl Izumi's Sun Knees fill a gap in that coverage equation—specifically the strip between shorts and socks that gets hit with direct sun for hours on summer rides. The UPF 50+ rating blocks harmful rays without requiring sunscreen reapplication mid-ride, and the fabric stays cooler than unprotected skin baking in direct sunlight.

The construction uses Transfer fabric, a lightweight mesh material that wicks moisture while maintaining sun protection. Unlike compression-style knee warmers built for warmth, these prioritize breathability and sit light on the skin. The silicone gripper at the top edge keeps them from migrating down during pedaling, which matters when you're wearing them for four or five hour rides in the heat. The fit is snug enough to stay put without the constriction you'd feel from thermal warmers.

Pearl Izumi designed these for hot weather riding where sun exposure is unavoidable but overheating is a real concern. They work particularly well for riders who prefer shorter socks but still want continuous protection from knee to ankle. The white option reflects more heat than black, which makes a noticeable difference on exposed climbs or desert routes where shade is scarce.... Read More