Laminate structures and flexible packaging materials incorporating same

A laminate comprising:

• a uniaxially oriented first multilayer film comprising ethylene-based polymer having a density from 0.930 to 0.970 g/cm3 and a melt index (I2) from 0.1 to 10 g/10 minutes, wherein the uniaxially oriented first multilayer film is oriented in the machine direction at a draw ratio greater than 3:1 and less than 8:1, and wherein the uniaxially oriented first multilayer film has a ratio of percent elongation at break in the cross direction to percent elongation at break in the machine direction of at least 2 to 1;
• a biaxially oriented second multilayer film adhered to the uniaxially oriented first multilayer film and comprising an ethylene-based polymer having a density from 0.900 to 0.962 g/cm3, wherein the biaxially oriented second multilayer film has a cross directional draw ratio larger than its machine direction draw ratio, and wherein the biaxially oriented second multilayer film has a ratio of percent elongation at break in the machine direction to percent elongation at break in the cross direction of at least 2 to 1;
• and
• a third multilayer film adhered to the biaxially oriented second multilayer film such that the biaxially oriented second multilayer film is disposed between the uniaxially oriented first multilayer film and the third film, wherein the third film comprising an ethylene-based polymer having a density from 0.865 g/cm3 to 0.935 g/cm3 and a melt index (I2) from 0.5 to 5 g/10 minutes.