Thermal Underwear
At Trespass we understand that layering is key to maintaining the right body temperature; an essential factor for walkers in the UK! That’s why our range of thermal underwear is designed to give you that extra warmth when you need it most. Made with a range of performance fabrics with wicking, antibacterial and quick drying properties, our tops and bottoms can be worn as an extra layer or on their own.
0845 838 8487















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