Everything under control: Prowork gloves for a perfect fit. Palm made from soft shell material with silicon webbing for a good grip, pleasantly lined in acrylic fleece. Back of the glove is made from 100 % nylon and fastens at the wrist with Velcro. Highlight: Palm has a waterproof and breathable 3-layered membrane. You can download products data sheet in detail section. You can download products data sheet here