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Lightweight, 6-panel performance cap
Climacool mesh provides ultimate air flow and moisture-wicking
UPF 50 built into the fabric to guard against the sun's most harmful rays
Reflective hook-and-loop back closure for visibility and adjustable fit
Non-glare undervisor for best vision while running and training
The adizero extra is the go-to performance cap for lightweight protection and comfort. includes reflective accents for visibilty and Climacool mesh for breathability and moisture-wicking. delivers ultimate sun protection with UPF 50 to inhibit harmful uv rays.