Best Fabrics to Wear in Extremely Hot Weather

Lightweight cotton is one of the best fabrics for extremely hot weather because it feels soft, absorbs perspiration, and allows air to move around the body. Choose loosely woven cotton garments rather than thick denim, brushed cotton, or tightly fitted styles.

Linen is another excellent option, especially in dry heat, thanks to its breathable fibers and quick-drying feel. For everyday comfort, prioritize pale colors, relaxed silhouettes, and fabric that does not cling when damp.

Cotton voile, lawn, seersucker, and lightweight poplin provide better ventilation than heavy jersey or canvas. Hold the fabric up to a light: a slightly open weave generally allows more airflow, though it should not be so sheer that it requires hot, heavy layers underneath.

A coordinated outfit can also simplify warm-weather dressing. See this guide to a breezy cotton two-piece with a ruffle shirt and loose shorts for a practical example of an airy silhouette.

Linen fibers release heat efficiently and typically dry faster than standard cotton, making linen useful when temperatures climb above 90°F. Select a relaxed shirt, wide-leg pants, or shorts with at least an inch of ease around the body to encourage circulation.

Pure linen wrinkles naturally, while a linen-cotton blend may look smoother and feel softer. Check the care label before purchasing because some linen garments require gentle washing or air-drying.

Moisture-wicking nylon or polyester can outperform natural fibers during exercise by moving sweat away from the skin. Look for lightweight mesh panels, ventilated construction, and an ultraviolet protection factor of UPF 30 or higher when spending extended time outdoors.

Avoid thick, non-breathable synthetics intended for insulation. Test the garment by checking whether air passes through the fabric and whether seams feel smooth against damp skin.

Loose clothing creates space for air to circulate, while tight garments can trap heat and moisture. Choose light colors such as white, cream, pale blue, or sand, which generally absorb less solar heat than black or navy.

For direct sun exposure, wear a lightweight long-sleeve top and a wide-brimmed hat instead of relying only on minimal coverage. Add breathable footwear and change out of sweat-soaked clothing promptly to reduce irritation.