Upper Virgin PVC, Density 1.25 gmcc, Toe Cap Steel Toe Cap - 100 Joules, Inner Lining Breathable Textile Lining, 250 gsm, Electrical Resistance Max 15 KV for 1 min, Temperature Resistance Max 150 C for 1 min, Heel Height 34 mm, Toe Height 24 mm, Sizes Available 4-10.