Standard Pack = 1 piece(s). Vests come with 2" 3M Scotchlite reflective material for excellent low-light visibility and feature 100% ANSI flame-resistant cotton blends that're sewn with Nomex thread. A hook-and-loop closure and one outside pocket are Standard too. Flame resistant through 25 washes. Meets ASTM F1506 and NFPA 70E / HRC = 1. ATPV = 7.1 cal/cm2. Yellow. Model Number: LUX-SSCGFR-YL, LUX-SSCGFR-YXL, LUX-SSCGFR-Y2X, LUX-SSCGFR-Y3X