An article of protective clothing comprising a durable multilayer fabric laminate formed from i) a first flame resistant knitted fabric made from yarns, the fabric having an average fabric modulus of 8 grams-force of greater; ii) a flame-resistant nonwoven fabric having a machine direction and a cross direction, and consisting of a plurality of continuous filaments having a diameter of less than 1000 nm, the filaments in the fabric being substantially oriented parallel with the machine direction and having stretch and recovery in the cross direction; and iii) a second flame resistant knitted fabric made from yarns, the fabric having an average fabric modulus of 8 grams-force of greater; wherein the nonwoven fabric is positioned between and coextensive with the first and second flame-resistant knitted fabrics; the nonwoven fabric being attached to the first knitted fabric by a set of first attachment points, the attachment points defining a first unattached area having a first effective diameter; the nonwoven fabric also being attached to the second knitted fabric by a set of second attachment points, the attachment points defining a second unattached area having a second effective diameter; wherein both the first unattached area and the second unattached area each have a value A, in square centimeters, according to the formula: C