AR 670-1: 4-4. Improved Hot Weather Combat Uniform
Quick Answer
The IHWCU is authorized for all Soldiers as of 1 June 2019 but commanders cannot require purchase unless issued. It provides faster drying, improved comfort, and enhanced breathability. Soldiers may not mix IHWCU and ACU outer elements, and it should not be dry cleaned, starched, or bleached.
Important
Unit and command policies may be more restrictive than AR 670-1. Always verify with your chain of command for local policies.
Official Source
View AR 670-1, Section 4-4 (Page 33)Full Details
4-4. Improved Hot Weather Combat Uniform
a. Authorization for wear. The IHWCU is an authorized item. Commanders will not require Soldiers to purchase
or wear the IHWCU, unless it is issued through the organizational clothing and individual equipment system. Soldiers will not mix the outer elements of the IHWCU and ACU. There is no change from the current ACU uniform guidance in paragraph 4–3. As of 1 June 2019, all Soldiers are authorized to wear the IHWCU.
b. Improved Hot Weather Combat Uniform enhancements. The IHWCU enhances Soldier performance and safety
in hot and wet weather environments. The material and design provide faster drying time, improved comfort, and enhanced breathability. The IHWCU is a unisex uniform that should not be dry cleaned, starched, or bleached.
c. Composition. The IHWCU consists of the following:
(1) Coat.
(2) Trousers.
(3) Undershirt.
(4) Undergarments.
(5) Belt.
(6) Socks.
(7) Boots.
(8) Headgear.
Related Topics
Get AR 670-1 Update Alerts
Be the first to know when Army Directives change uniform policies.
Disclaimer: This information is provided for educational purposes only. AR670.com is not an official U.S. Army resource. Always verify guidance with official publications and your chain of command.