Hi-Vis Solar Installer Shirts: Class 2 vs Class 3 and When to Use Each

Hi-vis solar installer shirts are not optional on most commercial sites and are increasingly required on residential job specs too. The choice between Class 2 and Class 3 ANSI ratings depends on the job site and the work being done. The branding choices (where the company logo goes, what color hi-vis matches the brand, whether to use a hi-vis vest over a regular shirt or buy hi-vis shirts directly) trade off compliance cost against crew identity. Here is the ANSI-aware playbook for hi-vis solar apparel.

ANSI Class 2 vs Class 3: When Each Is Required

ANSI/ISEA 107 is the high-visibility safety apparel standard. The classes define how much fluorescent background fabric and reflective tape a garment must have.

Class	Fluorescent Background	Reflective Tape	Typical Use
Class 2	775 sq in min	201 sq in min	Commercial sites, 25-50 mph traffic
Class 3	1,240 sq in min	310 sq in min	Highway, 50+ mph traffic, low visibility
Class E	(Pants only)	Reflective stripes	Class 3 ensemble pants

For solar installation work specifically:

• Residential roof: Not required by ANSI but increasingly required by company policy and homeowner-association expectation. Class 2 is the default.
• Commercial roof: Required by most site safety plans. Class 2 minimum, Class 3 when working near roadside.
• Solar farm and ground-mount: Required during equipment-yard or near-traffic work. Class 2 standard, Class 3 when on roads.
• Indoor electrical work: Not required.

The default for most solar companies is to issue Class 2 hi-vis to every installer and upgrade specific roles or sites to Class 3 as needed.

Hi-Vis Garment Options for Solar Installers

Hi-vis apparel for solar installers comes in five main garment types:

• Hi-vis vest. Lowest-cost compliance option. Worn over a regular work shirt. Easy to take on/off, easy to share across the crew. Limited branding surface.
• Hi-vis short-sleeve t-shirt. The day-to-day work shirt for warm weather. Full hi-vis coverage, branded chest and back.
• Hi-vis long-sleeve performance tee. The roof-work workhorse. UV protection plus visibility. Branded chest and back.
• Hi-vis polo. Customer-facing visibility option. Hi-vis yellow or green polo with company logo embroidered. Less common than the tee variants but increasingly available.
• Hi-vis hoodie or pullover. Cold-weather option. Class 2 or Class 3 with reflective tape.

The vest model is the most flexible because it converts any underlying shirt into a hi-vis configuration. The dedicated hi-vis shirt model is the most professional-looking because there is no over-vest layer hiding the company branding underneath.

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Branding Hi-Vis Apparel

Hi-vis fabric has specific branding constraints that regular shirt fabric does not.

• Embroidery is difficult. Hi-vis fluorescent fabric does not hold embroidery cleanly because the fabric is treated for visibility, not stitch retention. Most hi-vis branding is printed.
• Reflective tape rules. Reflective tape can not be obscured by oversized logos. The company logo placement must work around the tape configuration.
• Color contrast. Black or dark navy logos on hi-vis yellow read clearly. Brighter colored logos can disappear against the fluorescent background.
• Logo placement. Left chest above the lower reflective tape, full back above the upper reflective tape, hi-vis vest pocket. Avoid overlapping reflective tape with any printed design.

The branding constraint means hi-vis shirts often have smaller chest logos and lower-positioned back prints than the standard performance long sleeve. The trade-off is worth it for the visibility and compliance.

Hi-Vis Program Cost for a 12-Installer Commercial Solar Company

For a solar company doing primarily commercial installations, the hi-vis program cost in year one:

Item	Per Installer	Crew of 12
Hi-vis short-sleeve tee (Class 2)	2 @ $26 = $52	$624
Hi-vis long-sleeve performance (Class 2)	1 @ $32 = $32	$384
Hi-vis vest (Class 2, for upgrade to Class 3 wear)	1 @ $22 = $22	$264
Hi-vis hoodie (Class 2, for cold weather)	1 @ $48 = $48	$576
Annual hi-vis program total	$154	$1,848

A residential-focused company with lower hi-vis requirements typically spends about half this amount. The hi-vis line is a separate sub-section of the broader crew uniform program; for the operational details, see our solar crew uniform program guide.

Frequently Asked Questions

Do residential solar installers need hi-vis shirts?

Not federally required, but increasingly company policy and sometimes neighborhood-association expectation. Many residential solar companies are moving to hi-vis by default to signal professionalism and reduce liability on driveway and street-side work.

What is the difference between Class 2 and Class 3 hi-vis?

Class 3 has more fluorescent background fabric and reflective tape area than Class 2. Class 3 is required for high-speed roadside work; Class 2 is sufficient for most commercial job sites and rooftop work.

Can we embroider our logo on a hi-vis solar shirt?

Difficult. Hi-vis fluorescent fabric does not hold embroidery cleanly. Most hi-vis branding is printed (DTG or screen). The logo placement also must respect ANSI rules about not covering reflective tape.

Does hi-vis hi-vis come in colors other than yellow?

Yes. ANSI-compliant hi-vis is available in fluorescent yellow-green (most common), fluorescent orange-red, and fluorescent pink. Yellow-green is the highest-visibility option and the most common in solar.