Doesn't an inner layer defeat the purpose of wearing linen?

Because the material is so breathable, it's also doesn't insulate at all. That can create some uncomfortableness in places with rip roaring A/C. Out of the fying pan into the freezer. Linen aficionados will tell you that the whole point of linen is that it's cool and effortless. read more

But as wonderful as linen is, it does not perform well on the road because it doesn't dry overnight. I wear linen almost exclusively in the summer months, but I still take high-tech quick-drying fabrics with me for traveling. read more

It seems to defeat the purpose of linen (keeping you maximally cool) and yet for lighter color, thin shirts, its seems like a must to prevent nipples/chest hair from showing. read more