USGI Hot Weather Patrol Cap
M81 Woodland / 6 3/8"
$39.99 USD
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USGI Hot Weather Patrol Cap
$39.99 USD
US Genuine Issue Hot Weather Patrol Cap (HWPC), in new and unissued condition (sometimes in original sealed packaging). A standard-issue hat designed for environments with mean monthly temperatures exceeding 68°F.
This series features six metal eyelet vents for maximum airflow and is constructed from a lightweight 50/50 nylon-cotton ripstop blend to enhance breathability while remaining durable - focusing on heat dissipation and ventilation for tropical and high-heat field use.
NSN / Size Chart
| Pattern | Size | NSN |
|---|---|---|
| M81 Woodland | 6 3/8 | 8415-01-393-7813 |
| M81 Woodland | 6 1/2 | 8415-01-393-6292 |
| M81 Woodland | 6 5/8 | 8415-01-393-6299 |
| M81 Woodland | 6 3/4 | 8415-01-393-6291 |
| M81 Woodland | 6 7/8 | 8415-01-393-6293 |
| M81 Woodland | 7 | 8415-01-393-6294 |
| M81 Woodland | 7 1/8 | 8415-01-393-7820 |
| M81 Woodland | 7 1/4 | 8415-01-393-7952 |
| M81 Woodland | 7 3/8 | 8415-01-393-6297 |
| M81 Woodland | 7 1/2 | 8415-01-393-6295 |
| M81 Woodland | 7 5/8 | 8415-01-393-6296 |
| M81 Woodland | 7 3/4 | 8415-01-393-6298 |
| M81 Woodland | 7 7/8 | 8415-01-431-8921 |
| DCU | 6 3/8 | 8415-01-326-1570 |
| DCU | 6 1/2 | 8415-01-326-1571 |
| DCU | 6 5/8 | 8415-01-326-1572 |
| DCU | 6 3/4 | 8415-01-326-1573 |
| DCU | 6 7/8 | 8415-01-326-1574 |
| DCU | 7 | 8415-01-326-1575 |
| DCU | 7 1/8 | 8415-01-326-1576 |
| DCU | 7 1/4 | 8415-01-326-1577 |
| DCU | 7 3/8 | 8415-01-326-1578 |
| DCU | 7 1/2 | 8415-01-326-1579 |
| DCU | 7 5/8 | 8415-01-326-1580 |
| DCU | 7 3/4 | 8415-01-326-1581 |
| DCU | 7 7/8 | 8415-01-469-1922 |
Features
- Ripstop Material: Constructed from a durable 50/50 Nylon/Cotton (NYCO) or 57/43 Nylon/Cotton ripstop blend designed to prevent small tears from spreading while remaining lightweight and breathable.
- Concealed Map Pocket: Features a two-piece inner crown lining that forms a small internal pocket, originally intended for storing maps or sensitive documents.
- Operational Security (NIR Compliant): Treated with Near Infrared (NIR) technology to reduce the wearer's infrared signature, making them harder to detect with night-vision equipment.
- Ventilation: Includes multiple side vents (either metal eyelets or sewn) to promote airflow and heat dissipation in hot and humid climates.
- Sun Protection: Features a wide, reinforced visor to shield the eyes and face from UV rays.
- Water Repellency: Many variants are Quarpel-treated to repel water and stains while maintaining breathability.
- Name Tape Attachment: Modern versions (especially OCP) include a hook-and-loop strip on the back for quick attachment of branch or name tapes.
- Rank Placement: The flat front is specifically designed to accommodate the pinning or sewing of military rank insignia.
- Military Specifications: Sewn to rigorous government standards, such as FQ/PD 04-14 or MIL-C-44436