By utilizing fabric scraps and recycled bottles, this 100% recycled garment reduces our reliance on virgin materials. Patagonias first carbon neutral T-Shirts! These classic crewnecks are versatile and can be worn on their own or layered. Rib-knit at neckline and taped shoulder seams for comfort and durability. Straight hem, can be worn tucked or untucked. SIZES: S(35-37 chest), M(38-40), L(42-44), XL(46-48), XXL(50-52).