6.1 oz. 100% ringspun heavy-duty cotton T-shirt (gray is 90% cotton, 10% polyester) with double-needle stitching throughout, seamless rib at neck and shoulder-to-shoulder tape. 

Comes with "Z - Yes You Can" image on the front and "Join the Zevolution" image on the back.  Available in sizes S-4XL (see Technical Specs tab for sizing details for this product) and in colors: Black, Navy, and Gray.

Body Width (inches)
S	18
M	20
L	22
XL	24
2XL	26
3XL	28
4XL	30
Full Body Length
S	28
M	29
L	30
XL	31
2XL	32
3XL	33
4XL	34
Sleeve Length
S	16.5
M	18
L	19.5
XL	21
2XL	22.5
3XL	24
4XL	25.25