Flame-resistant VolCore workwear helps protect workers from short-term thermal incidents because it self-extinguishes and doesn't melt when exposed to flame. Crafted with durable materials to keep workers safe, comfortable, and compliant. AR/FR 13 oz. cotton blue jeans. Prewashed soft and comfortable dark blue denim. Reflective piping along middle of back pockets. UL Certified. Button front and zipper fly. Two front and two rear pockets.