5mm across wrist and back of hand; 4mm palm for extra dexterity; Glued, blindstitched and fused seams; Hydrolock wrist seal; Octo-print palm for durability and grip; Minimal print on back of hand to maximise flex; 90% Neoprene / 10% Nylon; Rinse in fresh cool water after each use; Dry out of direct sunlight; Do not machine wash