Oversized Vent Holes with screen for improve air circulation Combination sweat band with velcro adjustment function for that final adjustment for that perfect fit. 100% made in USA materialModified Bonnie Hat features 100% fabric construction with no use for any webbing. Foliage loops made with same fabric with stress points reinforced by bar tacks. Loop side velcro patches on back and top and for “IR” or any other identification tags. Fully adjustable chinstrap made with 500 parachute cord and spring loaded stopper. Proudly made in America.