Out of all of the numbers that are thrown around in a gym.... age may be the most pointless.  Ask the squat rack, the bench, the treadmill and the dumbbells if they care how old their challenger is.  Not at all.  There is no such thing as too old or too young here. 

MEN: 

6.1 oz., 100% open-end cotton jersey. Tagless for ultimate neck comfort. Double-needle coverseamed neck. Shoulder-to-shoulder tape. High stitch density

WOMEN:

 6.1 oz., 100% preshrunk cotton. Seamless collar. Double-needle stitched. Taped shoulder-to-shoulder. Cut with smaller sleeves and body for a narrower fit.

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