Protective garments and gasket system for firefighter's and other emergency personnel

A gasket system is provided for use with a protective boot and a pant leg of a protective garment for a firefighter or other emergency worker. The boot includes an outer boot and a moisture/vapor barrier liner, and the leg includes an outer shell and a moisture/vapor barrier liner. The gasket system includes a first gasket fixed to the liner of the pant leg and defining a first annular interlock to encircle a wearer's leg received in the pant leg, and a second gasket fixed to at least one of the outer boot and the boot liner and defining a second annular interlock to encircle a wearer's leg received in the boot. The first and second interlocks are engageable with each other to form a seal with a leg received in both the boot and the pant leg.