MCO 1020.34H — Marine Corps Uniform Regulations

MCO 1020.34H governs Marine Corps uniform wear, grooming standards, personal appearance, and regulations for authorized uniform items.

Search MCO 1020.34H

  • Publication number: MCO 1020.34H
  • Title: MARINE CORPS UNIFORM REGULATIONS
  • Date: 1 May 2018
  • Proponent: 01000 Military Personnel
  • Status: Current

View MCO 1020.34H on armypubs.army.mil


MCO 1020.34H covers hair, fingernails, civilian attire, uniform types, footwear, awards, insignia, and uniform components. It requires uniform and grooming policies to be disseminated, administered, upheld, and enforced.

Applies to: Applicable to the Marine Corps Total Force.

Topics covered

  • Grooming standards
  • Hair length and styles
  • Fingernail polish and manicures
  • Civilian attire
  • Uniform types and occasions
  • Combat boot care
  • Awards and decorations
  • Uniform accessories

Questions and answers

What fingernail polish is prohibited with Marine Corps uniforms?

Fingernails with multiple colors (except as mentioned in paragraph 1004.7.b(1)(c)1.c) and decorative ornamentation are prohibited. (paragraph 1)

Is colored fingernail polish authorized with the utility uniform?

Colored fingernail polish is not authorized for wear with the utility uniform (except as mentioned in paragraph 1004.7.b(1)(c)1.c). (paragraph 2)

Are press-on and acrylic nails authorized with Marine Corps uniforms?

Press-on and acrylic nails are authorized for wear as long as they are maintained within the length and style regulations as per regulations detailed above. (paragraph 3)

What civilian clothing is not authorized for Marines?

Revealing clothing (i.e. clothing that exposes midriff, the buttocks, excessive amounts of chest/cleavage) or items designed to be worn as undergarments (and worn exposed) are not authorized for civilian attire, while on or off duty. (paragraph 2)

Can forced hot air be used to dry combat boots?

Use of forced hot air to dry boots will stiffen the leather and cause cracks. (paragraph 2)

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