The Tough Duck Knit Cap is made with 100% knit acrylic this hat also features FX 40 stretch 3M Thinsulate insulation lining. The 3M flex Thinsulate will stretch 40% in each direction and will maintain it’s original form better than most traditional fabrics.
This acrylic knit hat is fantastic cold winter conditions or foul weather.
- 100% Acrylic Knit
- FX 40 Stretch 3M Thinsulate Insulation Lining
- 3M Flex Thinsulate Stretches 40% in Each Direction
- One Size Fits Most
