Timberland Men's Lazerette Driver 100% Leather Rubber sole Smart Comfort&#174; system technology for all-day comfort and support Removable multi-density chassis provides comfort and support Durable rubber outsole with articulated nubs for comfort, flexibility and outstanding traction Airport friendly nylon shank provides support, stability and shock dispersion and will not set off airport detectors Unconstructed assembly encourages glove-like feel around foot