Chainsaw Safety Chaps (Ratings & Sizing)
Choose chaps by the protection standard and chain-speed rating on their label, then size them using the maker’s waist and inseam directions. Confirm the coverage suits your task and local rules. Before each use, check the label, protective layers, seams, straps, and fit. Chaps reduce injury risk, but a running chain can still cut through them.
A pair can look rugged and still be the wrong choice for your saw or your legs. The key is not the saw’s engine size or bar length. It is whether the chaps’ documented protection suits the saw and task, and whether the chaps fit and remain in good condition.
I treat the label as the starting point, not a sales phrase. “Chainsaw chaps” by itself does not tell you the applicable standard, permitted chain speed, or coverage design. Use the checks below before you head out.
Equipment Setup & Safety Prep
These checks help you confirm that your chaps are appropriate before cutting. Read the product label and instructions, compare their protection information with the saw manual and work requirements, then inspect the garment. If a rating or instruction is missing or unclear, contact the manufacturer rather than guessing.
Check the standard and chain-speed information
In the United States, look for documentation that identifies ASTM F1897, Standard Specification for Leg Protection for Chain Saw Users. In Europe, look for EN ISO 11393-2 and the chain-speed class shown on the garment or its documentation. A standard name alone does not tell you every limit or condition of use, so check the maker’s instructions too.
For EN ISO 11393-2, the classes correspond to these chain speeds:
| EN ISO 11393-2 class | Chain speed |
|---|---|
| Class 0 | 16 m/s |
| Class 1 | 20 m/s |
| Class 2 | 24 m/s |
| Class 3 | 28 m/s |
Select a class that is permitted for your saw and task under the garment maker’s instructions and applicable rules. Do not assume that a higher class makes every chap suitable for every job. For U.S. products, do not apply the European class numbers unless the product documentation actually specifies them.
Check the saw manual for the relevant chain-speed information. Do not use engine displacement, bar length, or a general “homeowner” or “professional” label as a substitute. If you cannot confirm that the chap’s documented rating is suitable, pause and ask the chap or saw manufacturer.
Choose the coverage design for the job
Under EN ISO 11393-2, Design A and Design B provide front leg protection; Design C provides all-round leg coverage. The design does not replace a speed rating. Consider the work position, likely exposure, task risk assessment, and local rules when choosing coverage.
A front-protection design may be specified for some work, while a task or workplace may call for all-round coverage. Follow the rules that apply where you work. Do not assume that one design is universally required or enough. Chaps also do not replace other required protective equipment or safe cutting practices.
Do a quick pre-use inspection
Before putting the chaps on, check:
- The label is readable, and the standard, class, or other rating information is available.
- Protective layers have no cuts, tears, holes, or other damage.
- Seams are intact, and straps, buckles, and fasteners work as designed.
- There is no contamination or other condition that could compromise the protective layers.
Do not cut in chaps that are damaged or whose protective condition is uncertain. Follow the manufacturer’s guidance on assessment, repair, and retirement. Do not sew, trim, or otherwise alter the protective area unless the manufacturer specifically permits it.
Field Cutting & Landscaping Operation
This section covers how to put on and use chaps so their protection stays where it is intended. Fasten them as designed, check coverage with your boots and other gear, and keep the material clear of the chain, hot parts, and snag points. Wear them before starting the saw.
Fit them to your measurements
Measure your waist and inseam as the chap manufacturer directs, then use its size chart. Sizing varies by maker, so a size name from one brand does not guarantee the same fit in another. Wear the kind of work clothing you expect to use beneath the chaps when checking the fit.
Once fastened, the chaps should stay secure and cover the required leg area down to the boot tops, as directed by the manufacturer. Check that they do not leave gaps when you stand, bend, or take a normal step. They should allow full movement without slipping, dragging, or catching on boots or equipment.
Do not shorten a chap or move its straps to make it fit. If the size chart does not produce secure coverage, ask the manufacturer about another size or model. A poorly fitted garment can leave areas exposed or create snag hazards.
Check fit and coverage before starting
Use this sequence before each cutting session:
- Put on the chaps over suitable work clothing, following the maker’s instructions.
- Fasten every strap and buckle as designed. Confirm that none is twisted, loose, or damaged.
- Check the leg coverage while standing and moving. Make sure the hems meet the boot tops as intended and do not leave a gap.
- Bend and take a few steps. Confirm that the chaps remain secure and do not restrict movement or snag.
- Check that they work with your boots and other required protective equipment.
- Complete the saw and work-area checks required by the saw manual and site rules. Keep the chaps clear of the chain and hot surfaces.
Start the saw only after the chaps are fitted. Follow the saw manual’s starting procedure and keep safe cutting practices in place. Chaps are a protective layer, not permission to put a leg near the chain or to cut in an unsafe position.
Practical fit scenarios
These examples show how to apply the checks; they are not substitutes for a size chart or workplace rule.
| Situation | What to check | Next step |
|---|---|---|
| The label shows an EN class, but the saw’s permitted chain speed is unknown | The chap class and saw manual do not yet provide a confirmed match | Check the saw manual or contact the manufacturer before cutting |
| The waist fits, but the hem rides above the boot tops when you bend | Coverage changes with movement, leaving a possible gap | Recheck sizing and the maker’s fit directions; do not rely on the standing fit alone |
| The chaps fit, but a strap buckle is cracked | The fastening system may not hold the garment in place | Remove the chaps from service and follow the maker’s repair or replacement guidance |
| The task calls for protection around the leg, not just at the front | A front-protection design may not provide the required coverage | Check the risk assessment and rules; consider Design C where appropriate |
Maintenance, Inspection & Fit
Chaps keep their intended protection only when their materials and fastening parts remain in suitable condition. Inspect them before use and after cutting, and follow the maker’s instructions for cleaning, repair, and retirement. If damage or contamination may affect the protective layers, stop using them until the maker provides guidance.
After work, look again at the label, layers, seams, straps, and buckles. Check for fresh cuts, tears, worn areas, or substances that may have contaminated the garment. Do not assume damage is harmless because the outer fabric looks mostly intact; follow the manufacturer’s inspection directions for the full garment.
Clean chaps only as directed on their label or in their care instructions. Do not use an improvised wash method, solvent, or repair. If a cut, tear, contamination, or other damage raises doubt about the protective layers, take the chaps out of service and ask the manufacturer whether they can be assessed, repaired, or must be retired.
Fit should be checked again if you change clothing layers, boots, or chap models. A pair that once covered your legs may shift or leave a gap with different gear. Recheck coverage, secure fastening, and freedom of movement before the next use.
Storage & Seasonal Care
Store chaps in a way that protects their layers, label, and fasteners from damage or contamination. Follow the manufacturer’s storage directions, and do not put them away until they are clean and dry as directed. Check their condition before returning them to service after storage.
Keep the label readable so you can confirm the standard and rating later. Avoid storage or handling that could cut, crush, contaminate, or otherwise compromise the protective material. Do not place heavy or sharp equipment on the chaps, and keep them away from substances that the maker identifies as harmful.
At the start of a new season, repeat the full inspection rather than relying on how the chaps looked when stored. Confirm the size still fits your clothing and boots, check that straps and buckles hold, and verify the rating remains suitable for the saw and task. If any essential information is missing or damage is uncertain, do not use the pair until you get manufacturer guidance.
The practical rule is simple: verify the documented protection, choose the right coverage and size, and inspect the whole garment. A rating does not guarantee that a chain will be stopped. Sound work practices and all other required protective equipment still matter.
Frequently Asked Questions
How do I choose chainsaw chaps for my saw?
Check the chap’s label and documentation for its standard and permitted chain speed. Compare that information with the saw manual and task requirements. Do not choose by engine size or bar length.
What do the EN chap classes mean?
For EN ISO 11393-2, Class 0 is 16 m/s, Class 1 is 20 m/s, Class 2 is 24 m/s, and Class 3 is 28 m/s. Follow the product instructions and applicable rules when selecting a class.
Does ASTM F1897 use the same classes as EN ISO 11393-2?
Do not assume so. ASTM F1897 is a U.S. standard for chainsaw-user leg protection. Check the product’s own documentation for its rating and limits.
Are front-protection chaps enough?
That depends on the task, risk assessment, and rules that apply. Under EN ISO 11393-2, Designs A and B protect the front; Design C provides all-round coverage.
How should chainsaw chaps fit?
Use the manufacturer’s waist and inseam directions. Fastened chaps should stay secure, cover the required area to the boot tops as directed, and allow movement without gaps or snagging.
Can I wear chaps that have a small tear?
Do not use damaged chaps unless the manufacturer has assessed or approved them for use. Follow its repair and retirement instructions; do not make an unapproved repair.
Do chaps stop every chainsaw cut?
No. Chaps reduce injury risk, but a running chain can still penetrate protective legwear. Never treat them as permission to enter the chain’s path.
Can I use chaps without other protective equipment?
No. Chaps do not replace other protective equipment or safe work practices required by the saw manual, workplace, or local rules.
When should I inspect my chaps?
Inspect them before use and after cutting. Check the label, protective layers, seams, straps, buckles, and any signs of damage or contamination.
What should I do if the label is unreadable?
Do not guess at the standard or rating. Contact the manufacturer for product identification and guidance; use a pair with verifiable protection in the meantime.
(This article was written by one of our staff writers, David Hensley. Visit our Meet the Team page.)
