In 2004, the Army introduced the Army Combat Uniform (ACU), which was modeled after the Marine's digital pattern uniform. The full ACU includes moisture wicking socks and T-shirt, coat, pants, combat boots, and a patrol cap ACU combat blouse X-SML-SHORT 1 ACU combat blouse SML-XSHORT 3 ACU combat blouse SML-SHORT 11 ACU combat blouse SML-REG 11 ACU combat blouse SML-LONG 1 ACU combat blouse SML-XLONG 1 ACU combat blouse XLRG-REG 4 ACU combat blouse XLRG-LONG 5 ACU combat blouse LRG-REG 22 ACU combat blouse LRG-LONG 21 ACU combat blouse LRG-XLONG 4 ACU combat blouse MED-REG 47 ACU combat blouse MED-LONG 50 ACU combat blouse MED-XLONG 3 ACU combat blouse MED-XSHORT 2 ACU combat blouse MED-SHORT 15