Hi-Vis Trousers
Hi vis trousers keep your legs seen where it matters, from live roads to busy yards, without ripping out on day one.
When you're in and out of plant, working near traffic, or just trying not to disappear in a muddy site, hi vis work trousers are basic PPE that earns its keep. Choose the right class for the job, then pick the fit and pockets that suit how you actually work.
What Jobs Are Hi Vis Trousers Best At?
- Working around moving plant and delivery wagons where high visibility trousers and reflective bands stop you blending into the background at first light and last knockings.
- Road and street works where hi vis safety trousers are a must for staying compliant and staying seen when you are kneeling, crossing lanes, or setting out cones and barriers.
- Rail and trackside tasks where RIS 3279 hi vis trousers are often the site standard and you need kit that stays visible even when it is caked in dust and ballast.
- Wet weather shifts using hi vis waterproof trousers and hi vis overtrousers to keep your base layer dry when you are on drainage, civils, or external maintenance all day.
- General construction and fit out where hi vis cargo trousers with knee pad pocket hi vis trousers save your knees and keep fixings, markers, and a tape on you instead of back in the van.
Choosing the Right Hi Vis Trousers
Sort the right pair by matching the compliance level and weather protection to the job, then worry about pockets and comfort.
1. Class rating and site rules
If you are on general construction, Class 1 hi vis trousers can be enough depending on the rest of your kit, but roadwork and higher risk areas often push you into Class 2 or Class 3 coverage as part of a full outfit. Always match the trouser spec to the site brief and what you are wearing on top, not what looks brightest.
2. Waterproof overtrousers vs waterproof work trousers
If you get caught out in showers and want something that lives in the van, hi vis rain trousers or hi vis overtrousers are the sensible shout. If you are outside all day in winter, go for proper hi vis waterproof trousers with a tougher outer and better sealing, because cheap thin shells tear the first time you snag them on rebar or a gate.
3. Lined, thermal, or lightweight
If you are standing around on traffic management or winter groundwork, hi vis lined trousers or hi vis thermal trousers keep your legs warm without doubling up layers that restrict movement. If you are indoors or doing summer fit out, breathable hi vis trousers and lightweight fabrics stop you sweating out by 10am.
4. Knees, pockets, and stretch where it counts
If you are kneeling to set levels, clip duct, or bolt down frames, knee pad pocket hi vis trousers are non negotiable, and reinforced panels pay for themselves. If you are climbing in and out of cabs or working off steps, stretch hi vis trousers and flexible hi vis work trousers stop that tight, split seam feeling when you squat.
Hi Vis Trousers FAQs
What are hi-vis work trousers for?
They are hi vis PPE trousers designed to keep your lower half visible around traffic, plant, and busy site walkways. The fluorescent fabric helps in daylight and poor light, and the reflective bands kick back headlights and work lights when it is dark or you are working nights.
Are hi-vis trousers waterproof?
Some are and some are not, so do not assume. Standard hi vis work trousers are usually water resistant at best, while hi vis waterproof trousers and hi vis overtrousers are built with a waterproof membrane and taped seams for proper rain protection.
What is considered high vis clothing?
High visibility clothing is kit made from fluorescent material with reflective tape, built and tested to a recognised standard like EN ISO 20471. The class rating tells you how much visible coverage it provides, and some sectors like rail also specify RIS 3279.
How often should hi-vis trousers be replaced?
Replace them when the fabric has faded, the reflective tape is cracked or peeling, or the trousers are torn and cannot be properly repaired, because that is when the visibility rating is effectively gone. If you are washing them hard every week or working in cement dust and mud daily, expect to swap them sooner than a pair that only comes out for occasional site visits.
Do hi vis trousers need to match my jacket class?
They need to meet the site requirement as a full outfit, not as a single item. If a job specifies Class 3, it is usually achieved by combining a compliant top with high visibility work trousers, so check what your site expects before you turn up under specced.
Are hi vis trousers any good for kneeling work, or do they wear through?
The cheap ones wear through fast if you are on the deck all day. For tradesmen hi vis trousers used for setting out, fixing, or groundworks, go for reinforced hi vis trousers with knee pad pockets, and use proper pads so the knee area is not taking the full abuse.
Who Uses Hi Vis Work Trousers on Site?
- Groundworkers and civils gangs who need durable hi vis trousers that take kneeling, shovelling, and constant machine movement without blowing the seams.
- Highways and utilities teams who live in reflective work trousers for roadside digs, reinstatement, and night work where the class rating actually matters.
- Rail contractors who need compliant RIS 3279 trousers and tend to keep a clean spare pair for audits and access onto tighter sites.
- Site supervisors, traffic marshals, and logistics who want high visibility work trousers that are comfortable for long shifts but still properly visible in the yard.
The Basics: Understanding Hi Vis Trousers Standards
Hi vis PPE trousers are not just bright fabric. The standard and class rating tell you how visible you will be and where the kit is meant to be used.
1. EN ISO 20471 and class ratings
EN ISO 20471 is the common standard for high visibility work trousers, and the class rating (Class 1, 2, or 3) is based on the amount of fluorescent and reflective material. Higher class means more visible coverage, which is why higher risk sites and roadside work often specify it.
2. RIS 3279 for rail
RIS 3279 hi vis trousers are designed for rail environments and usually come in the rail accepted colourway. If you are doing trackside work, do not guess this one, because the wrong spec can get you turned away at the gate.
3. Reflective tape placement in real use
Reflective work trousers work because the tape catches headlights and site lighting when you are moving, kneeling, or side on to traffic. Keep them clean enough to do their job, because a thick layer of mud and cement dust kills the reflectivity fast.
Hi Vis Trouser Accessories That Make Them Work Harder
A couple of add ons turn decent high visibility trousers into proper day to day site kit, especially in winter and wet weather.
1. Knee pads to fit the pockets
If you are buying knee pad pocket hi vis trousers, get pads that actually match the pocket shape, otherwise they slide down and you end up kneeling on the floor anyway. It is the difference between finishing a shift comfortable and walking like you have done ten rounds of block paving.
2. Hi vis overtrousers for the van
Keep hi vis rain trousers rolled up in the cab for sudden downpours, jet washing, or muddy groundworks. You will save your main trousers from getting soaked through and you will not spend the afternoon in wet thermals.
3. Hi vis belts or braces
If you are loaded up with tools in multi pocket hi vis trousers, a belt or braces stops them dragging down and rubbing your hips raw. It also keeps the reflective bands sitting where they should, instead of twisted round your calves.
Why Shop for Hi Vis Trousers at ITS?
Whether you need hi vis cargo trousers for everyday site work, hi vis waterproof trousers for wet shifts, or compliant options like RIS 3279 and EN ISO 20471 ranges, we stock the right types and sizes to match the job. It is all held in our own warehouse, ready for next day delivery so you can get kitted up before the next shift.