 Singer noted that durable black leather made more sense for the X-Men to wear as protective clothing, and Shuler Donner added that the costumes helped them "blend into the night".Oakley, Inc. provided the red-lensed glasses worn by Cyclops, a customized version of the company's own X-Metal Juliet.Wolverine's claws required no cast of Hugh Jackman's hands, and were built so he could easily put them on and take them off for safety reasons.