5.11 Freedom Flex S/S Modern Shirt
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Overview
The Freedom Flex Short Sleeve Modern Shirt is built for lightweight performance and warm-weather comfort. Constructed from moisture-wicking Enduro-Flex™ fabric with Vent-Tac™ ventilation panels, it delivers enhanced airflow and freedom of movement. A clean short sleeve design with snap front closure and functional pocket layout makes it suitable for both active use and everyday wear.
Key Features
- Lightweight Enduro-Flex™ fabric for comfort and mobility
- Vent-Tac™ perforated panels for enhanced breathability
- Moisture-wicking construction to help keep you dry
- Short sleeve design with two-piece collar
- Centre front snap placket for quick and easy wear
- Double-layer perforated yoke for improved airflow
- Perforated cross-back, underarm, sleeve and side panels
- Chest pockets with flap closure for secure storage
- Pen pocket on left sleeve
Specifications
- Body: 100% polyester, plain weave, 3.33 oz/yd², wicking, Enduro-Flex™
- Contrast: 100% polyester, plain weave, 3.33 oz/yd², wicking, Vent-Tac™
Additional Details
- Embroidery [+] on left chest pocket flap
- 5.11® woven label at left hem
Size Guide
Open the size guide to check sizing and get the best fit possible.
5.11 Tactical Clothing
Arm length refers to your actual arm length, not the garment's sleeve length.
| Size | XS | Small | Medium | Large | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|---|
| Chest | 76.2-81.330-32 | 86.4-91.434-36 | 96.5-101.638-40 | 106.7-111.842-44 | 116.8-121.946-48 | 127-13250-52 | 137.1-142.254-56 |
| Neck | 33-34.313-13.5 | 35.6-36.814-14.5 | 38.1-39.315-15.5 | 40.6-41.916-16.5 | 43.1-44.417-17.5 | 45.7-4718-18.5 | 48.3-49.519-19.5 |
| Arm Length | 81.9-83.232.25-32.5 | 83.8-8533-33.5 | 85.7-8733.75-34.25 | 87.6-88.935.25-35.75 | 89.5-90.836-36.5 | 91.4-92.736.75-37.25 | 93.3-94.6 |
XS
Small
Medium
Large
XL
2XL
3XL
Trousers Fit Guide

The loosest cut through the seat and thigh, with a straight line down to the leg opening for maximum room to move.

A balanced fit with space to move without feeling baggy — straight through the knee to the leg opening.

A clean, straight line from thigh to ankle with a slight taper at the leg opening for a tidier finish.

Cut close through the thigh and knee, tapering to a slim leg opening for the trimmest silhouette.
Sizing Instructions




