Amazon USA:
Beige: https://www.amazon.com/dp/B0F1DT1F4F
Gray: https://www.amazon.com/dp/B0867NPFCV
Two-tone—beige body, sage bill (warning: can be too exciting for some dullsters): https://www.amazon.com/dp/B0CPDWXS2D
Amazon UK:
Beige: https://dullmensclub.com/ukcapbeige
Grey: https://dullmensclub.com/ukcapgrey
Two-tone—beige body, sage bill (warning: too exciting for some dullsters): https://www.amazon.co.uk/dp/B0D917RK2L
Gray versus Grey, a pedantic point (dullsters enjoy pedantic points every once in a while): “gray” is the American spelling, “grey” is the British spelling.