Description
Stay Seen and Comfortable with the Portwest S378 Hi-Vis Contrast T-Shirt (Yellow/Navy)
The Portwest S378 Hi-Vis Contrast T-Shirt Short Sleeve in Yellow/Navy delivers Class 2 high-visibility protection with a sharp, professional look that’s perfect for industries where a cleaner appearance matters. As an authorized Portwest distributor, TECHACS Safety Solutions offers this best-selling shirt with fast U.S. shipping and bulk pricing.
Ideal for construction, utilities, warehousing, rail, and municipal workers, the Yellow/Navy colorway keeps teams highly visible while the navy contrast panels hide dirt and grime better than traditional all-yellow shirts.

Key Advantages of the Portwest S378 Yellow/Navy Hi-Vis T-Shirt
- Dual Compliance: ANSI/ISEA 107 Type R Class 2 & Type P Class 2 + EN ISO 20471 Class 2
- 50-Wash Certified: Reflective tape and fluorescent color stay compliant after 50 industrial launderings
- 40+ UPF Protection: Blocks 98% of UV rays – excellent for outdoor crews
- Micro Mesh Bird Eye Fabric: 100% polyester 150g (4.5oz) – lightweight, breathable, and fast-drying
- Texpel™ Stain-Resistant Finish: Repels liquids and dirt for a longer-lasting clean look
- Navy Contrast Panels: Strategically placed to conceal dirt in high-soil areas
- Generous Fit: Maximum freedom of movement without restriction
Who Should Wear the Yellow/Navy S378?
This color combination is especially popular with:
- Utility & telecommunications crews
- Railway workers
- Municipal and public works teams
- Warehousing & logistics
- Surveying and landscaping
- Any team wanting a sharper, less “construction-only” appearance
Full Feature Breakdown
| Feature | Worker Benefit |
|---|---|
| Hi-Vis Yellow with Navy panels | Maximum visibility + professional look while hiding dirt |
| Reflective tape (standard layout) | 360° visibility in low light and daylight |
| Moisture-wicking + breathable mesh | Stay cool and dry in hot, humid conditions |
| 40+ UPF sun protection | Proven defense against harmful UV rays |
| Certified after 50 washes | Long-term compliance and cost savings |
| Crew neck + taped seams | All-day comfort, no chafing |
| Sizes S to 6XL | Fits every member of your team |
Technical Specifications – Portwest S378 Yellow/Navy
- Model: S378 YNR – Hi-Vis Contrast T-Shirt Short Sleeve
- Color: Hi-Vis Yellow / Navy contrast
- Fabric: 100% Polyester Bird Eye Knit 150g
- Standards: ANSI/ISEA 107 Type R Class 2, Type P Class 2, EN ISO 20471 Class 2
- UPF Rating: 40+ (blocks 98% UV)
- Wash Durability: Certified after 50 cycles
- Sizes Available: S, M, L, XL, XXL, 3XL, 4XL, 5XL, 6XL
Official Portwest brochure: https://portwest.com/market/brochure
Why Purchase Portwest Workwear from TECHACS Safety Solutions?
As an authorized Portwest distributor in New York, TECHACS guarantees:
- Genuine Portwest products only
- Same-day shipping on stocked items
- Contractor and fleet pricing
- Real human support – Call 212-202-1952
Shop all hi-vis shirts: https://techacs.com/product-category/shirts/ Read our guide: https://techacs.com/high-visibility-protection-for-every-industry-a-comprehensive-guide/ LinkedIn: https://www.linkedin.com/company/techacs/
FAQ – Portwest S378 Yellow/Navy Hi-Vis T-Shirt (Voice Search & Rich Snippet Optimized)
Q: What color is the Portwest S378 Yellow/Navy t-shirt? A: It features hi-vis yellow with navy blue contrast panels on the lower torso and sleeves.
Q: Is the Portwest S378 Yellow/Navy ANSI Class 2? A: Yes – certified ANSI/ISEA 107 Type R Class 2 and Type P Class 2.
Q: Does the Yellow/Navy S378 stay reflective after washing? A: Yes, it retains reflectivity and color compliance after 50 industrial washes.
Q: What sizes does the Portwest S378 Yellow/Navy come in? A: Available from Small to 6XL.
Q: Is the Portwest S378 Yellow/Navy good for hot weather? A: Yes – the Micro Mesh Bird Eye fabric is highly breathable with moisture-wicking Texpel™ finish.
Q: Does this shirt have UV protection? A: Yes, it’s rated 40+ UPF and blocks 98% of UV rays.
Q: Where can I buy the authentic Portwest S378 Yellow/Navy in the USA? A: TECHACS Safety Solutions is an authorized Portwest distributor. Call 212-202-1952 or order online.
Invest in Safety That Looks Sharp
The Portwest S378 Hi-Vis Contrast T-Shirt in Yellow/Navy gives your team Class 2 protection, all-day comfort, and a professional appearance that stands up to tough jobs.
Need a quote or samples? Call TECHACS at 212-202-1952 Shop now at https://techacs.com – Your trusted Authorized Portwest Distributor
Stay visible. Stay professional. Choose Portwest from TECHACS Safety Solutions.
Portwest S378 Hi-Vis Contrast T-Shirt Short Sleeve Yellow/Black – ANSI Class 2 | TECHACS Authorized Portwest Distributor
Stay Visible, Cool, and Protected with the Portwest S378 Hi-Vis Contrast T-Shirt (Yellow/Black)

When worker safety and comfort matter most, the Portwest S378 Hi-Vis Contrast T-Shirt Short Sleeve in Yellow/Black is the gold standard for high-visibility workwear. As an authorized Portwest distributor, TECHACS Safety Solutions brings you this ANSI/ISEA 107 Type R & P Class 2 certified shirt at competitive prices with fast shipping across the USA.
Whether you manage a construction crew, warehouse team, road maintenance staff, or utility workers, the Portwest S378 delivers 360° visibility while keeping wearers cool and dry even in hot conditions.
Why Choose the Portwest S378 Hi-Vis Contrast T-Shirt?
This two-tone high-visibility t-shirt combines safety, durability, and all-day comfort:
- Certified Performance: ANSI/ISEA 107 Type R Class 2 and Type P Class 2 + EN ISO 20471 Class 2
- Lasts 50+ Washes: Reflective tape and fluorescent color remain compliant after 50 industrial washes
- 40+ UPF Sun Protection: Blocks 98% of harmful UV rays – ideal for outdoor workers
- Micro Mesh Bird Eye Fabric: Lightweight 100% polyester (150g/4.5oz) with advanced cooling and quick-dry properties
- Texpel™ Wicking Finish: Repels stains and speeds drying
- Contrast Black Panels: Hide dirt in high-soil areas (lower torso and sleeves)
- Generous Fit: Allows full range of motion without riding up
- Crew Neck + Taped Seams: Extra comfort for long shifts
Perfect Industries for the Portwest S378 Hi-Vis T-Shirt
- Construction & roadwork
- Warehousing & logistics
- Airport ground crews
- Utilities & telecommunications
- Rail & traffic control
- Surveying & landscaping
Detailed Features & Benefits
| Feature | Benefit for Workers |
|---|---|
| Reflective tape configuration | Maximum low-light and daytime visibility |
| Moisture Control + Breathability | Keeps you cool and dry in summer heat |
| Contrast dirt-hiding panels | Looks cleaner longer – reduces replacement frequency |
| 40+ UPF rating | Proven protection against skin cancer and sunburn |
| Certified after 50 washes | Real-world durability – no fading or tape peel |
| Sizes S–6XL | Inclusive sizing for every team member |
Full Technical Specifications – Portwest S378
- Style: S378 – Hi-Vis Contrast T-Shirt Short Sleeve
- Color: Hi-Vis Yellow / Black
- Fabric: 100% Polyester Bird Eye Knit 150g (4.5oz)
- Standards: ANSI/ISEA 107 Type R Class 2, Type P Class 2, EN ISO 20471 Class 2
- UPF Rating: 40+ (blocks 98% UV rays)
- Wash Certification: Reflective properties retained after 50 cycles
- Available Sizes: S, M, L, XL, XXL, 3XL, 4XL, 5XL, 6XL
View the official Portwest brochure here: https://portwest.com/market/brochure
Why Buy Your Portwest Workwear from TECHACS Safety Solutions?
As an authorized Portwest distributor based in New York, TECHACS guarantees:
- 100% genuine Portwest products
- Same-day shipping on in-stock items
- Bulk pricing for contractors and safety managers
- Expert customer service – Call 212-202-1952
- Full range of Portwest hi-vis shirts and workwear
Browse our complete collection of high-visibility shirts: https://techacs.com/product-category/shirts/
Read our comprehensive guide: High Visibility Protection for Every Industry – https://techacs.com/high-visibility-protection-for-every-industry-a-comprehensive-guide/
Connect with us on LinkedIn: https://www.linkedin.com/company/techacs/
FAQ – Portwest S378 Hi-Vis Contrast T-Shirt
Q: What ANSI class is the Portwest S378 t-shirt? A: The Portwest S378 is certified ANSI/ISEA 107 Type R Class 2 and Type P Class 2.
Q: Does the Portwest S378 stay hi-vis after washing? A: Yes – it is certified to maintain reflectivity and color after 50 industrial washes.
Q: What sizes are available for the Portwest S378 Yellow/Black? A: Available from size Small up to 6XL.
Q: Is the Portwest S378 good for hot weather? A: Absolutely. Its Micro Mesh Bird Eye fabric is highly breathable and moisture-wicking with a Texpel™ finish for quick drying.
Q: Does the Portwest S378 offer UV protection? A: Yes – it has a 40+ UPF rating that blocks 98% of UV rays.
Q: Where can I buy authentic Portwest S378 shirts in the USA? A: TECHACS Safety Solutions is an authorized Portwest distributor. Call 212-202-1952 or order online.
Q: What colors does the Portwest S378 come in? A: Currently stocked in Hi-Vis Yellow with Black contrast panels (other colors available by request).
Final Thoughts – Safety Never Looked This Good
The Portwest S378 Hi-Vis Contrast T-Shirt in Yellow/Black proves you don’t have to sacrifice comfort for compliance. With Class 2 certification, 50-wash durability, and advanced cooling technology, it’s the smart choice for safety managers who demand the best.
Need bulk pricing or have questions? Call TECHACS today at 212-202-1952 Shop now: https://techacs.com (Authorized Portwest Distributor)
Stay visible. Stay safe. Choose Portwest from TECHACS Safety Solutions.
S378 – Hi-Vis Contrast T-Shirt S/S
Available in Yellow/Black or Yellow/Navy
As an Authorized Portwest Dealer, TECHACS Safety Solutions brings you the S378 Hi-Vis Contrast T-Shirt, a perfect blend of comfort, visibility, and durability. Designed for all-day wear, this two-tone T-shirt offers a generous fit and superior breathability, making it ideal for demanding work environments. The high-visibility reflective tape ensures enhanced safety, while the contrast panels provide added protection against dirt.
Key Features
- High Visibility: Certified reflective tape for improved visibility in low-light conditions.
- Enhanced Comfort: Made with breathable fabric to wick moisture away, keeping you cool and dry.
- Durable Design: Quality Texpel™ Wicking fabric finish aids in drying and stain removal.
- Protective Fabric: Blocks 98% of UV rays with a 40+ UPF rating.
- Functional Fit: Crew neck with taped seams and a generous fit for added comfort.
- Certified Safety: Compliant with ANSI/ISEA 107 TYPE R CLASS 2 and TYPE P CLASS 2 standards.
Material Composition
- Shell Fabric: 100% Polyester, Bird Eye Knit, 150g.
Available Options
- Colors: Yellow/Black or Yellow/Navy.
- Sizes: XS to 6XL to suit various body types.
Why Choose the S378 Hi-Vis Contrast T-Shirt?
This T-shirt combines essential safety features with a stylish design and practical performance, ensuring you stay visible, comfortable, and protected throughout your workday.
Order your S378 Hi-Vis Contrast T-Shirt today from TECHACS Safety Solutions and enhance your workplace safety!








