Welding boilersuit with breathing panels in a very comfortable fabric with extremely good welding properties and protection against radiant heat and metal splashes. Ergonomically shaped and pre-shaped sleeves to avoid creasing from metal splashes. Concealed 2-way zip and press stud closing. High collar for extra protection and adjustable width. Chest pockets with flaps. Sleeve pocket with flap and concealed keyring holder and strap for ID-pocket. Arm ventilation. Side pockets with hidden access. Adjustable elastic waist band. Ventilation and reflective stripe on the back. Hip pockets with flaps. Thigh pocket with flaps. Ruler pocket with adjustable opening. Shaped knees with adjustable inside kneepad pockets. Adjustable cuffs. Fluorescent fabric on legs and piping on chest and back. Reinforcement fabric on leg hem.