Portwest FR Stretch Denim Jean Size:34 Tyvek is a spunbonded olefin

Tyvek is a spunbonded olefin fabric that is made up of millions of polyethylene fibers that are spunbonded to offer unique qualities of excellent barrier

The knit outer has high warmth to weight ratio

All In a Comfortable

and comfortable

Portwest FR Stretch Denim Jean Size:34 Tyvek is a spunbonded olefinBizflame Denim is a highly technical fabric constructed from 98% Cotton, 2% Elastane 10oz. The highly durable cotton and dynamic stretch blend provides maximum range of movement in active use. Classically designed for long lasting performance and to allow for a full transition from work to leisure activity. Testing: NFPA 70E NFPA 2112 Shell Fabric: Bizflame Denim 390g Code: 19 FR54INR