What do welders wear?

A typical welder runs three layers: an NFPA 2112-rated FR base shirt (Bulwark Excel-FR or Carhartt FR Lightweight), heavy leather welding jacket or sleeves over the top to block spatter and slag, and FR-rated leather gloves and boots. The FR base shirt protects against flash-fire; the leather over-layer handles direct welding hazards.

Can FR shirts replace leather welding jackets?

No. FR shirts protect against thermal events (flash fire, arc flash) but they're not designed for the direct contact hazards of welding — molten metal spatter, slag, and grinding sparks. Leather welding jackets and sleeves block those direct hazards. The two layers serve different protective purposes and welders use both.

What FR rating do welders need?

NFPA 2112 is the standard for flash-fire protection in industrial environments where flammable materials may be present. For arc welding without other process hazards, the leather over-layer is the primary PPE. For welders working in oil, gas, or process environments, NFPA 2112 + 70E dual-rated FR base layers cover both flash-fire and arc-flash exposure in a single garment.

Can you embroider company logos on FR welding shirts?

Yes — using FR-compatible Nomex (aramid) thread that retains the protective rating through industrial laundering. Standard polyester thread melts in arc and flash-fire events and voids the certification. Decoration follows the FR garment manufacturer's placement rules (chest, sleeve, no oversized back logos that change the protective fabric area).

How do you brand a leather welding jacket?

Custom embroidered or sewn-on patches stitched directly to the leather using FR-rated Nomex thread. The patches are decorated separately on cotton-blend or twill fabric, then sewn into place — the leather itself isn't embroidered. Heat-applied decoration is not used on welding leather because the heat process can compromise the fire protection of the leather itself.

What FR brands are best for welders?

Bulwark Excel-FR ComforTouch (industry standard, dual NFPA 70E + 2112), Carhartt FR Lightweight (popular with crews who reject heavier FR), Wrangler Riggs FR (button-down styling for crews who want a "regular work shirt" look). All three are dual-rated for flash-fire and arc-flash, all three accept FR-safe decoration.

Do welders working at heights need different gear?

Yes — ironworker welders walking iron need ANSI 107 Class 2 hi-vis on top of the FR layer for crane and signal-person visibility. The combination of FR + hi-vis is challenging because most hi-vis fabric isn't FR-rated; specialty FR Hi-Vis garments (Bulwark JLR8, Carhartt FR Hi-Vis Class 3) solve this with a single dual-compliant layer.

Compliance

Welder Uniforms: FR Shirts, Leather Layers, and What Actually Holds Up

FR base layer + leather over-layer + branded decoration that doesn't void the rating. The actual spec for Vegas welders, ironworkers, and pipefitters.

Bighorn Threads Team9 min readMay 9, 2026

Welder wearing NFPA 2112 FR shirt with leather welding jacket and embroidered company patch

The Three-Layer Welding PPE System

Layer 1: NFPA 2112 FR Base Shirt

The flash-fire protective layer. NFPA 2112 certifies the fabric won't ignite, won't melt onto skin, and won't propagate flame in a flash-fire event. For welders this matters in environments where ambient flammable materials may be present — process plants, oil and gas, refineries — and as a baseline insurance layer when the leather over-layer fails.

Industry-standard NFPA 2112 base shirts:

Bulwark Excel-FR ComforTouch SLU2 — dual NFPA 2112 + 70E, 6.5 oz cotton-nylon blend, light enough for Vegas summer turnaround work
Carhartt FR Lightweight — softer hand than Bulwark, popular with crews who reject heavier FR fabrics
Wrangler Riggs FR — button-down work-shirt styling, dual-rated, less common but well-regarded

Layer 2: Leather Welding Jacket or Sleeves

The direct-hazard layer. Leather (split cowhide, pigskin, or kid leather depending on application) blocks molten metal spatter, slag, and grinding sparks the way no fabric can. This is the layer that takes the actual welding abuse — gets burn marks, holes, and stains over its working life and gets retired and replaced.

For lighter-duty welding (TIG, MIG on thin material), leather sleeves over an FR base shirt are sufficient. For heavy stick welding, structural welding, and flash-arc work, a full leather welding jacket is the spec.

Leather welding gear is sourced from welding-specialty PPE distributors — companies like Lincoln Electric, Tillman, Black Stallion, Steiner — not from general workwear suppliers. We coordinate the FR base layer; the leather comes from the welding-PPE channel.

Layer 3: FR Boots, Gloves, Headwear

Leather boots with metatarsal protection, leather welding gloves rated to the work being done, and FR balaclavas or hoods for arc welding. None of this is workwear-channel inventory; all of it comes from welding-PPE distributors.

Branding FR Welding Garments

This is where most catalog suppliers compromise compliance.

FR Base Shirts

Embroidery using Nomex (aramid) thread only. Standard polyester thread melts in flash-fire and arc events, voiding the protective rating. We use Nomex on every FR garment we decorate and document the thread spec on the certification sheet that ships with every order.

Placement follows the manufacturer's published guides — typically left chest, optional right chest, optional sleeve. Avoid oversized back logos that change the protective fabric area without manufacturer pre-approval. See our deeper piece on FR shirt compliance for the full decoration spec.

Leather Welding Jackets

Custom branded patches stitched directly to the leather using FR-rated Nomex thread. The patch itself is decorated separately on cotton-blend or twill fabric, then sewn into place. Heat-applied decoration is not used on welding leather because the thermal process can compromise the fire protection of the leather.

For larger logo work, multiple smaller patches at different placements (chest + sleeve + back yoke) often look better than a single oversized patch. Ironworking outfits commonly run patch combinations: company name on chest, ironworker local affiliation (IW Local 433, Local 416) on sleeve, journeyman/apprentice tag on shoulder.

Vegas Welding Trades and Their Specs

Structural welders on commercial steel erection: NFPA 2112 base + leather welding jacket + ANSI Class 2 hi-vis vest over the top.
Pipefitters and process welders on oil/gas/mechanical work: NFPA 2112 + 70E dual-rated base for flash-fire and arc-flash + leather welding gear during hot work.
Aluminum welders and fabrication shops: Same FR + leather system but TIG and MIG specifically; lighter leather sleeves often replace full jacket.
Ironworker welders: Same as structural plus heavy emphasis on hi-vis layer for crane visibility.

How to Order Welder Uniforms

FR base shirts — order through Bighorn (or another workwear-channel supplier) with FR-safe Nomex thread embroidery. Spec the dual NFPA 70E + 2112 rating where electrical exposure is involved.
Leather welding jackets and sleeves — order through a welding-specialty PPE distributor (Lincoln Electric, Tillman, Black Stallion). Send the patch design separately to be sewn on with FR thread.
Hi-vis layer — for crews working near vehicle traffic or with crane operations, ANSI 107 Class 2 hi-vis vest or FR Hi-Vis combination garment over the FR base layer.

FR welder uniforms in Las Vegas

Bighorn Threads supplies and decorates NFPA 2112 FR base layers for Vegas structural welders, ironworkers, pipefitters, and process welders — using FR-safe Nomex thread that preserves the certification.

See Steel & Iron Worker Apparel →