






🔥 Suit up in safety and style — because your workwear should work as hard as you do!
The Portwest BIZ1 Mens Heat Flame Resistant Welding Overalls deliver top-tier protection with certified flame resistance that surpasses international standards. Made from durable 100% ringspun cotton, these overalls combine comfort, longevity, and smart features like concealed fasteners and a mobile pocket. Designed for professionals in welding, manufacturing, and heavy industry, they ensure safety, functionality, and a reliable fit that lasts wash after wash.
































| ASIN | B009B6ZBMG |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 33,449 in Fashion ( See Top 100 in Fashion ) 57 in Work Utility & Safety Dungarees & Coveralls |
| Colour | Black |
| Customer Reviews | 4.2 4.2 out of 5 stars (186) |
| Date First Available | 17 Sept. 2012 |
| Item Package Quantity | 1 |
| Item Weight | 1.3 kg |
| Item model number | BIZ1BKTL |
| Manufacturer | Portwest Clothing Ltd |
| Material | Shell |
| Number of Pieces | 1 |
| Part number | BIZ1BKTL |
| Pattern | Solid |
| Product Dimensions | 19.99 x 30 x 5 cm; 1.3 kg |
| Shape | Tall |
| Size | L |
| Style | Classic |
T**U
Very sturdy, good fit, and don't shrink.
I'm about 6' tall and a bit chunky round the middle, not the matchstick arms and legs on a broom stick model type, so was looking for a good wide fitting set of overalls. I bought the XXL and they are perfect, legs are long but I can bend over and also reach up high, without becoming a castrato singer. Even after several washes they still fit exactly the same, and all the studs still work. Did manage to rip a few small holes in them, but more my fault than anything wrong with the fabric. Will definitely buy more when needed.
M**E
Excellent Quality
Really pleased with these and for once the size is accurate. Very high quality at a sensible price. They are comfortable and great for welding
P**L
Very comfortable and well made
Essential if you're welding. Also useful if you're using a blow torch/heat gun. A very good protective boiler suit.
S**K
WRONG SIZING
I have been buying portwest overalls for 20 years. These are sized wrong. I always get a large size, I am 5ft10 and 44 inch chest. Snug fit, leg length good. The overalls supplied to me would have been baggy on a 7ft tall brick s**t house but were labeled as large. I am guessing factory rejects. Thanks amazon for that. You certainly get what you pay for...
R**N
A bit baggy on the leg.
Perfect product. Used for amateur welding. A bit baggy on the leg but in winter with 2 sets of trousers on it made sense. No complaints. Would recommend.
R**S
Reetpetite
Too large for my grandson had to return
P**R
Fit
Bought a size up but fits well, not too tight, can get a warmer/ thicker top underneath. Feels good quality, si far so good.
M**N
Good quality.
Spot on for size and quality.
B**R
Sehr empfehlenswert Gute Verarbeitung gute Passform!! Hohe Qualität!!
K**E
Mon fils est soudeur. Cette combinaison a duré moins longtemps qu'une combinaison premier prix
H**Y
Der BizWeld-Overall in XL, Farbe grau, war ein großartiger Kauf. In XL kann ich ihn locker über der BDU und dem T-Shirt tragen. Der Begriff der Paßform ist eine Kategorie, die auf diese Sorte Bekleidung einfach nicht anwendbar ist. Ich sehe aus wie ein Teletubby, fühle mich aber nicht so. Der Kampfschuh BW, schwarz, dazu getragen ergibt ein stimmiges Gesamtbild. Gewaschen habe ich ihn noch nie. Das schont erstens die flammhemmende Beschichtung und führt zweitens durch zunehmende Patinabildung zur Vervollkommnung der Werktätigen-Aura. Irgendwann wird er mir sagen, daß er gewaschen werden will. Bald darauf kann er dann auch gleich mitschweißen. Wenn mein BizWeld irgendwann das Zeitliche segnet, dann kaufe ich mir wieder einen. Guter Overall.
E**T
Étant très grand j'ai pris une taille au dessus j'aurais dû garder ma taille normal 😊 sinon super je l'utilise pour souder et elle est parfaite
D**D
Great fit and has already saved me from a burn to my clothing.
Trustpilot
1 week ago
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