75% polyester/25% wool Firm bar tacking at the stress areas Tru-Grip rubber strip at the waistband to keep shirts tucked in The Justice pants with cargo pockets are constructed of 75% polyester and 25% wool with a serge weave. These police pants have tons of room for tools and equipment. They have side cargo pockets, traditional quarter top pockets, a concealed cellphone pocket, and a watch pocket. The pants will last due to the firm bar tacking placed at all stress areas. They also come with Tru-Grip at the waistband to ensure shirts stay tucked in.