dapro constructor multinorm pant navy blue Size workwear:54 vlamvertragende en antistatische werkjas Size workwear:60 vlamvertragende en antistatische werkjas Waterdichtheidsnorm : EN 343:2003+A1:2007 Klasse 3 These pants are flame retardant arc flash protection and welding proof for maximum safety This product has elastic at the waist for the perfect fit