6.4-ounce 44% rayon/ 40% modacrylic/15% para-aramid FR knit - Polartec FR - Pique dual hazard technical full coverage base layer - Lightweight breathable moisture-wicking plaited knit with soft inner surface - Plaited construction - Mock neck - Taped inside back seam - Contrast coverstitch - Greater Arm Mobility - Moisture Movement Technology pulls moisture out so it evaporates quickly - CAT 2 - ATPV (CAL/CM2) - 9.5 - NFPA 70E - NFPA 2112