bolter 4 pack men's everyday cotton blend short sleeve t-shirts (large, heather blue-green) bolter if you're looking for a great basic men's t-shirt - then check out our latest 4 pack tee shirts from bolter. this is our super soft lightweight everyday crewneck tshirt. use it as an undershirt or wear it as an outer shirt on hotter days. the plain or solid color shirts are 100% cotton - nice and cool for summer time or for layering. the heather colors (heather grey, heather charcoal, heather brown, etc.) are a cotton/polyester blend. 60% cotton 40% polyester. the 100% cotton colors will shrink a little in the wash. keep in mind these have a european cut to them so they are slim through the body. if you're in between sizes we recommend sizing up. the cotton/poly heathers will not shrink as much and is something to note.<br/><br/>heather pack colors = 60% cotton/40% polyester: earth tones heather greys h.car/h.roy/h.nvy/h.slt heather blue-green 100% cotton packs: blk/mar/g.tel/b.nvy army 4pk black 4pk white blk/nvy/dtl/asph<br/><br/> specs: measurements are taken of the garments lying flat on a table, unstretched. compare these specs with your current t-shirts for a better idea on fit. for chest measurement double the chest spec for the around the body measurement. small: (chest flat, 17.25"; bottom hem width 17.5"; length from highest point back neck to lowest bottom hem: 28") <br/>medium: (chest flat, 19.5"; bottom hem width 20"; length from highest point back neck to lowest bottom hem: 28.25") <br/>large: (chest flat, 20.5"; bottom hem width 21"; length from highest point back neck to lowest bottom hem: 30") <br/>x-large: (chest flat, 23"; bottom hem width 24"; length from highest point back neck to lowest bottom hem: 31") <br/>