Spine: Double density foam with 37.5® Technology Hip: Removable, shaped MD foam Thigh: Removable, shaped MD foam LD foam in rear thigh Outer shell: Lightweight outer shell fabric with 840 denier nylon abrasion panels in key areas Adjustability: Kidney, hip and thigh Kidney: Adjustable/removable double density foam Belt: Elastic waistband Flex panels: Stretchable fabrics Pockets: Two front and two back pockets Liner: 37.5® Technology