This is a Lululemon mens black sleeveless technical tank or shirt with white trim.
Here is a full view of the front of the shirt. This is made of a technical fabric.
This is a close up view of the top of the front of the shirt. You can see the wide white stripe across the front.
Here is a full view of the side of the shirt. You can see the wide white strip of fabric down the side.
Here is a full view of the back of the shirt.
This is a close up view of the top of the back of the shirt. You can see a large silver omega Lululemon symbol in the middle. This was before the mens garments started using a squared omega symbol.
Here is a close up of the inside of the shirt which shows a label that says Made in Vancouver, Canada. It also says Providing components for people to live a longer, healthier and more fun life.
Here is a close up view of the size tag. It says that it is size S.
This shirt was the perfect one to wear running on a hot summer day! Does anybody remember the name of it?