This SWAT BDU trousers is the fabric of choice for Federal Agencies. This is 65% Poly 35% Cotton Rip-Stop and is suitable for all climates. The trousers Cloth is breathable in the summer, and wind resistant in the winter. This material will resists fading, tearing, and shrinking. Comes with strengthened seats and knees, adjustable waist tabs, and have drawstring trouser bottom.