Best AR 670-1 Compliant Undershirts & Base Layers

AR 670-1 compliant undershirts in tan 499 (OCP) and white (service uniforms).

AR 670-1: Undershirts and Undergarments

Undershirts are required to be worn with all uniforms. Combat Uniform (OCP): • Tan 499 (coyote) crew neck t-shirt • Must be tucked into trousers • No visible logos, brands, or designs Service Uniforms: • White crew neck or V-neck undershirt with ASU • Tan or white undershirt as appropriate with AGSU • Must not be visible above the neckline of the outer shirt/blouse All undershirts must be plain, without any logos, designs, or patterns visible through or above the uniform.
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Soffe Men's 3 Pack Military Tee Black
1

Soffe Men's 3 Pack Military Tee Black

$32.994.4(9,855 ratings)

Soffe military tee in black — 9,800+ reviews, the barracks standard

Why It's Compliant

  • Black — authorized for PT and under service uniforms
  • 100% cotton crew neck
  • 3-pack value for daily rotation
  • Military spec construction
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Under Armour Men's Tactical Tech T-Shirt
2

Under Armour Men's Tactical Tech T-Shirt

$22.004.5(6,321 ratings)

UA's moisture-wicking tactical tee — 6,000+ reviews, stays cool under armor

Why It's Compliant

  • Federal Tan (499) — AR 670-1 OCP compliant
  • UA Tech moisture-wicking fabric
  • No visible logos when tucked per regulation
  • Anti-odor technology for field use
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SOFFE Unisex Military Cotton Tee 3-Pack
3

SOFFE Unisex Military Cotton Tee 3-Pack

$34.994.3(2,641 ratings)

Soffe cotton 3-pack — classic military tee, soft and breathable

Why It's Compliant

  • Available in tan 499 and white — AR 670-1 authorized colors
  • 50/50 poly-cotton blend, crew neck
  • 3-pack — great value for daily wear
  • Double-stitched collar resists stretching
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5.11 Tactical Utili-T Crew Neck 3-Pack
4

5.11 Tactical Utili-T Crew Neck 3-Pack

$50.004.4(1,002 ratings)

5.11 Utili-T 3-pack — cotton comfort with a no-roll collar

Why It's Compliant

  • Available in tan and white — AR 670-1 authorized colors
  • Poly-cotton blend for comfort and durability
  • No-roll collar stays professional
  • 3-pack from trusted tactical brand
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Propper Men's Pack3 Crew Neck Tees
5

Propper Men's Pack3 Crew Neck Tees

$34.994.5(200 ratings)

Propper 3-pack — tagless, 60/40 blend, designed for under body armor

Why It's Compliant

  • Tan 499 — meets AR 670-1 OCP undershirt requirement
  • 60/40 cotton-poly blend, moisture-wicking
  • Tagless design for comfort under body armor
  • 3-pack value
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Pinnacle Mercantile Tan 499 Moisture-Wicking Tee
6

Pinnacle Mercantile Tan 499 Moisture-Wicking Tee

$49.994.4(142 ratings)

NSN-spec moisture-wicking polyester — Made in USA, dries fast in the field

Why It's Compliant

  • Tan 499 — exact AR 670-1 required color for OCP
  • NSN-spec moisture-wicking polyester
  • Made in USA
  • Lightweight for hot weather wear
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Official Regulation Guides

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Important: Final compliance determination depends on the exact item you receive and your unit's local policies. Unit and command policies may be more restrictive than AR 670-1. Always verify with your chain of command before purchase.