Ergodyne Chill-Its 6630high-performance cap contains wider absorbent terry headband and elastic band for maximum performance/wearability. Cap with cooling absorptives is ideal for construction, trade and maintenance. High-Performance Cap. Color: Navy Western. One size fits most. Hi Cool moisture management performance fabric. Comfortable to wear under hats, helmets or alone. Wide, absorbent terrycloth band. Navy western. Applications: Construction, trades, maintenance, landscaping/grounds, assembly/fabrication, material handling, freight/baggage, warehousing/distribution, iron/steel fabrication. Cooling absorptive, hi cool moisture management. Machine washable. Ergodyne Chill-Its 6630high-performance cap is comfortable to wear under hat/helmet or alone and is made with hi cool fabric that absorbs as well as removes moisture from the head keeping it cool/dry.