Outerwear Air-Tex Series Bib Trouser w/Fly-Lime-4X Air-Tex Bib Trouser with Safety Fly (Class E). Air-Tex garments offer comfortable, lightweight, and breathable protection that is ideal for multi-climate environments.When only the best will do the job try Neese Air-Tex Series garments. The Air-Tex Bib Trouser has adjustable suspenders and 2“ Silver 3M Scotchlite Reflective Tape.