GORE-TEX Military Gen II Cold Weather Trouser XX-L GORE-TEX Is Ultralight, Waterproof, Windproof And Highly Breathable Waterproof, Even After Repeat Launderings, Exposure To DEET, Oil, And Other Types Of Petroleum Sewn To Military Specification MIL-DTL-32184 Sealed GORE-TEX Seams Throughout For Superior Waterproof Protection