The all new HK Army Freeline Pants utilize various new-age fabrics to provide flexibility in key areas, while maintaining a super lightweight base. Key features include Lightweight Fabric with strategic ventilation points, Reflective Design and Logo areas, built-in knee and crotch padding, aero-mesh crotch ventilation, adjustable elastic waistband, adjustable ankle straps, integrated pockets, leg ventilation, and ballistic kevlar knees.