This lightweight performance cap is engineered for comfort, using an ultra-breathable technical knit that adapts naturally to your head. Its soft, 4-way stretch construction delivers an effortless, barely-there feel that keeps you comfortable through any training session.

• Fabric: polyester–spandex blend
• Medium/Large: ~58 cm / 23 inches head size
• Small: ~54 cm / 21 inches head size
• Weight: 55.6 g (1.9 oz)

NOTE: Requires 20 cooling pieces sold separately. Shop here.