the Waffle Knit Tank is a 100% cotton tank is perfect as a base layer or worn alone. the tank features taping at the neck and arm openings, a flat hem, and is constructed in a ribbed material. details flat hem 100% ribbed cotton fabric Model is 6’0, 140 lbs and wears a size medium Beige Crew Neck Vest For Summer, Fitted Cotton Tank Sweater Vest, Beige Crew Neck Tank Top For Summer, Beige Crew Neck Vest For Spring, Stretch Cotton Sleeveless Sweater Vest, Spring Muscle Tee For Layering With Scoop Neck, Summer Crew Neck Sweater Vest, Summer Crew Neck Sweater Vest With Stretch, Summer Stretch Sweater Vest With Crew Neck