Tsav los ntawm cotton blends nyiaj los yog rugged polyester, qhov fabric no paub tiv thaiv abrasions, oils, thiab kev lav ntau zaus. Muaj peev xwm hlawv huv tab tab thiab zoo siab, nws pab ceeb tos thiab tiv thaiv rau cov neeg ua haujlwm nyob rau qhov chaw ua haujlwm nyuaj. Muaj cov nta khawm zoo tshaj plaws los yog cov khawm tiv thaiv dej ntshav yog tsum tau.