Under Armour HeatGear Armour Compression Short Sleeve - Grey - White - XS

Yes, it can be worn alone as a high-performance training top, though it is specifically designed to function as an effective base layer.

While the fabric covers the skin, it is primarily designed for moisture management and athletic performance, not as a primary UV-shielding garment.

This is a compression-fit garment, meaning it should feel tight against your muscles. It will not have the loose, relaxed drape of a standard crew-neck t-shirt.

No, fabric softener should be avoided as it can coat the moisture-wicking fibers and reduce the shirt's ability to pull sweat away from the body.

The locker tag allows you to write your initials or a team number on the inside neck area, which is helpful if you share a locker room or training facility with others.

HeatGear is designed for warm to mild conditions. For cold weather, you may want to look into Under Armour ColdGear products.

Compression gear is designed to be tight; however, if it restricts breathing or circulation, size up in your next purchase.

Ensure you are using a sports-specific detergent and avoid leaving the wet garment in a gym bag for long periods after use.

Check that the shirt is oriented correctly. If irritation persists, ensure you are not wearing the shirt inside out and check for lint or debris caught in the seam.