Berkshire Running Camp - Performance Cap (OG604) (B121 hat) Size:Small 10% Elastane

10% Elastane

It's a must have for both spectators and runners for the 2026 race

It's designed to excel equally at running or relaxing

The Endorphin 3 is the lightest spike for any miler to 10K runner

Extended snap placket makes for an easy on/off

Berkshire Running Camp - Performance Cap (OG604) (B121 hat) Size:Small 10% ElastaneProduct Description 94 6 poly spandex micro ripstop Durable water repellent (DWR) finish helps keep cap afloat in water Moisture wicking sweatband and front panels lining Breathable oval pattern perforation in mid and back panels Structured Mid profile Curved bill Matte black silicone O on back 7 position adjustable snapback closure