Best Fabric for Summer Heat: Linen or Cotton for Comfort When the forecast spikes, the best fabric for summer is the one that moves air, manages sweat, and feels good all day. In the linen vs cotton for hot weather debate, linen typically wins for peak heat: its hollow flax fibers encourage airflow and dry faster, creating a cooler microclimate near skin. Cotton excels for softness, easy care, and everyday polish. If you want cooling without the full linen look...