Safety & compliance

Layering & tested ATPV

Every combination below comes from a real layer test on our proprietary flame-resistant fabrics — the true arc thermal performance value (ATPV) when garments are worn together, so you can build a compliant system with confidence.

MWG EVOLUTION™
MWG STORMSHIELD™
Tested ATPV 63cal/cm²
070
CAT 4
MWG TRANSMISSION™
MWG BLOCKER™
Tested ATPV 53cal/cm²
070
CAT 4
MWG EVOLUTION™
MWG BLOCKER™
Tested ATPV 53cal/cm²
070
CAT 4
MWG EVOLUTION™
FR Quilted Jacket
Tested ATPV 47cal/cm²
070
CAT 4
MWG COMFORT WEAVE™
MWG TRANSMISSION™
MWG RIPGUARD™
Tested ATPV 42cal/cm²
070
CAT 4
MWG FLEXSAFE™
MWG COMFORT WEAVE™
Tested ATPV 32cal/cm²
070
CAT 3
MWG COMFORT WEAVE™
MWG RIPGUARD™
Tested ATPV 32cal/cm²
070
CAT 3
MWG TRANSMISSION™
MWG RIPGUARD™
Tested ATPV 30cal/cm²
070
CAT 3

Layer tests are performed on our proprietary flame-resistant fabrics. The styles shown are common combinations worn in the field; results hold true for different styles built from the same fabric blends.

Need the full data?

Download the 2026 Arc-Rated Layering Guide, or watch the layering videos to see the combinations in action.