Ultimate Flame-Resistant Comfort: The Portwest FR01 Bizflame® Knit Crew Neck Shirt

For tradesmen and safety personnel working in environments with potential electric arc, convective, radiant, or contact heat hazards, reliable protection is essential. However, staying fully compliant doesn't mean sacrificing comfort during long, active shifts.

The Portwest FR01 Bizflame® Knit FR Long Sleeve Crew Neck T-Shirt is designed to deliver lightweight, highly insulative arc flash protection in an ergonomic, breathable package.

1. 100% Cotton Bizflame® Interlock Knit

At the core of the FR01 is Portwest's specialized Bizflame® Knit fabric (7 oz. / $237\text{ g/m}^2$). Crafted entirely from 100% cotton in an interlock knit structure, this shirt offers key functional benefits:

• Soft & Lightweight: Provides a comfortable hand-feel that makes it suitable as both a standalone shirt or a comfortable base layer.

• Thermal Insulation: The interlock knit traps air to deliver high protective performance against electric arc and thermal hazards without adding unnecessary bulk.

2. Active Moisture Wicking & UPF Sun Protection

Working hard on active job sites requires gear that manages moisture and outdoor elements:

• Moisture-Wicking Action: Draws sweat away from the body to keep you cool, dry, and comfortable in hot environments, while helping prevent chilling in cooler weather.

• 40+ UPF Protection: The fabric is rated 40+ UPF, effectively blocking 98% of harmful UV rays during outdoor work.

3. Ergonomic Fit & Trade-Focused Features

The FR01 includes practical design details aimed at comfort and daily functionality:

• Raglan Sleeves: The contoured shoulder design removes restrictive seams from the top of the shoulders, allowing for a full range of arm motion.

• Chest Pocket: Includes a convenient front left chest pocket for keeping small essential items close at hand.

• Distinctive Style: Highlighted with stylish contrast red stitching across the seams.

Certified Safety Ratings & Specifications

Upgrade Your Daily Workwear Defense

Whether you need a versatile layer for changing seasonal weather or dependable CAT 2 arc flash defense for your daily uniform, the Portwest FR01 delivers the protection, breathability, and fit you need.

Shop the Portwest FR01 Bizflame Knit FR Long Sleeve Shirt Here