UA Storm technology repels water without sacrificing breathability Ultra-durable ripstop fabric is tough enough to put up with anything in the field Super-comfortable waistband stretches with you as you move Articulation built into the knees for added mobility Built-in badge clip on front belt loops Open hand pockets with interior knife pocket & secure, zip back pockets Secure, flap closure cargo pockets These pants give you all the stretchy, lightweight athletic performance you expect from UA, plus all the durability you need for the job.