even if ...,...cannot

not ... at all

soft

fine, detailed, small / trivial, trifling

very, exceedingly, awfully / (before a negative form) not at all, at all, by no means

fibre (single elongated piece of material) / fibre (material in the form of fibres)

a shirt / an undershirt, a vest

an aloha shirt

sleeveless undershirt, singlet, vest, tank top

a polo shirt