Nike Short Sleeve Performance Running Top - Blue - M

The specific fabric composition is not detailed, but it is engineered to be lightweight and suitable for running activities, suggesting a blend of synthetic materials like polyester for moisture-wicking and breathability.

This is a short-sleeve performance top, best suited for mild to warm weather or as a base layer in cooler conditions.

Refer to Nike's official sizing guide for men's tops. Measure your chest and compare it to the provided chart. The 'Slim' fit is designed to be close to the body.

Yes, while engineered for running, its lightweight, close-fitting design and range of motion make it suitable for various athletic activities like gym workouts or cross-training.

The 'Slim' fit indicates a close-to-body cut designed to minimize excess fabric and allow for movement, but it is not necessarily a compression garment designed for muscle support.

Machine wash cold with like colors. Avoid bleach and fabric softeners. Tumble dry on low heat and iron on a cool setting if needed. Do not dry clean.

Ensure you have selected the correct size based on Nike's sizing chart. If the fit is still too restrictive for your preference, consider a different Nike fit type or size up.

While designed to minimize chafing, ensure the seams lie flat and consider wearing a base layer if you have particularly sensitive skin. Proper fit is crucial.

Ensure the care instructions are followed, as fabric softener or incorrect washing can sometimes affect breathability. Check for any lint buildup on the fabric.