The Pro Pack vertical carry provides excellent concealment, comfort and retention, especially with large guns. It has a cordura nylon outer shell, and a unique finger break over triggerguard. You can adjust the holster vertically on all four straps and also adjusts horizontally between yokes. Elastic onside and offside tie-downs are adjustable and removable. Also, the offside tie-down has single magazine case or single speedloader case for autos and revolvers respectively. This model is compatible with 4.5-5 barrel large auto.