The NSB is one of the first IFR styles. It is almost the same as the 109 but is a CAT1.
- 6 oz. - 93% Nomex®, 5% Kevlar, and 2% Carbon added for improved anti-static performance
- Material is inherently flame resistant
- Breakaway zipper
- Flame resistant mesh on H2S monitor pocket
- No melt, no drip Velcro®
- Lowered X striping on back to allow room for company logo or hooded undergarment
- CAT 1
Nomex is inherently flame resistant, and meets the following safety requirements:
- NFPA 2112
- NFPA 70E
- CGSB 155.20
- CSA Z462
- ASTM F1506