This page shows the longer fire resistant coats that Legion Safety offers - bigger and warmer models.
Workrite Flame Retardant Insulated Parka 510NX60/5106 - 6 oz Nomex® IIIA
This flame retardant parka helps protect against electric arc exposures and the Nomex® material provides additional comfort and durability. Its 4 large pockets give a great amount storage. EBT Rating 42; HRC 4.$323.20–422.30Each10
Workrite Fire Resistant Winter Parka 510UT70/5107 - 7 oz Indura UltraSoft
7 ounce Indura UltraSoft fire resistant winter parka with Modaquilt insulation. ATPV rated for 35.8.$214.60–267.60Each6