3M safety tapes, 2 deep front pockets with bar tacked stress points. Sized to fit over other outer clothing. Velcro closing front, seams over locked with safety stitch. EN471 Class 3 approved. Size Chest (to fit) S – 37″ M – 41″ L – 44″ XL – 48″ 2XL – 52″ 3XL – 56″