5.11 Tactical's Halcyon Tactical Boot is built to be its toughest and most comfortable boot yet. This durable boot is constructed for all-day comfort and cushioning, and features a multi-terrain outsole to ensure slip and oil resistance. Side mesh panels enhance breathability and Tac-lock lacing secures tied laces while a rigid shank works with a soft Ortholite insole to keep your feet comfortable throughout long days on various types of terrain. Now available in dark coyote, in addition to black.