Showa 330 Power Grip Gloves are reinforced acrylic gloves with a flexible latex coated palm for grip all over, with a double coating between the index finger and thumb for extra protection. These reinforced work gloves are ideal for heavy duty work, such as scaffolding and other high strain tasks in construction, agriculture, railways and metal work. There are no irritating seams in contact with the skin. For sizing, measure around your knuckles. Small: 7", Medium: 8", Large: 9", XL: 10". Maximum rip resistance to EN 388:2003 Level 4.