Tsav los ntawm cotton blends nyiaj los yog rugged polyester, qhov fabric no paub tiv thaiv abrasions, oils, thiab kev lav ntau yam. Breathable tab sis durable, nws pab kheej kawm thiab tiv thaiv rau kev ua haujlwm nyob hauv qhov chaw tsis zoo. Meej pua siv cov nta khawm tiv thaiv los yog cov nta khawm tsis tiv thaiv flames thaum xav tau.