Ariat FR M4 Relaxed Boot Cut Jeans Men's 40x30 Blue Denim Flame Resistant Ariat FR M4 Relaxed Boot Cut Jeans in a medium wash blue denim. These flame-resistant work jeans feature a 100% cotton construction with a CAT 2 rating and 20.0 ATPV. Designed for durability and safety on the job, they offer a relaxed fit through the seat and thigh with a classic boot cut leg opening. Note the heavy distressing and holes on the front thighs and minor staining as shown in photos. Measurements: • Waist: 20" • Inseam: 29"