The 11′ Octagon collar tilt offers 95 square feet of shade, single or double wind vent and crank, tilt and lock capability. The collar tilt offers infinite tilt positions that allow you to simply twist the collar to obtain the desired shade tilt. The single vent is the classic design and suitable for most outdoor environments. The double vent is perfect for those windy outdoor environments; allowing more wind to pass through the vents, providing stability. It stands 105.4″ in height and has a 50lb base with the option to add on 30lb weight. Choose from dozens of qualtiy fabrics and 4 different finishes for pole and base.