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Gladiator ST Pro Edition

Rec. height
Max weight

The Karnox Gladiator ST Pro Edition features a wide seat and tall back, which will give you the comfort necessary for longer periods in front of your computer or at the office with additional luxuries. This is the bigger chair in the Karnox line designed for people that are bigger and taller than the average. The sleek design, high quality leather and colour accents will keep you stylish. This luxury edition comes with an aluminium base, improved tilting capabilities, upgraded wheels and our top of the line 4D armrest. * Comes with lumbar support cushion and neck pillow ***

  • Comfort: Ergonomic design with high-back, removable headrest pillow and lumbar cushion.
  • High quality material: PU leather, steel seat, steel back frame and solid steel construction.
  • Multifunction: 360 degree swivel, reclinable between 90 - 180 degrees with locking capabilities, adjustable 4D armrests
  • Height adjustable seating: Raise or lower the Seat Height effortlessly, and stay there with a heavy duty gas lift.
  • Upgraded wheels and aluminium base: This takes the regular gladiator and raises the bar. The upgraded wheels and base increase durability and comfort.
Weight Capacity: 400LB
Height Limit: 6'6"
Recommended Height: 6'1"



Seat Foam Type PU foam
Seat Foam Density 3.1lb/ft³
Seat Frame Color Black
Seat Frame Construction Steel
Seating Surface Material PU Leather 
Armrest Improved 4D
Armrest Pad Size 10.2 in. x 3.9 in. x 1 in.
Tilt Basic (0-10°)
Tilt Lock No
Gas Lift Piston Class 4
Recline 85-180°
Adjustable Height 55-59 in.
Cushion Height 20.5-24.5 in.
Maximum Seat Height 23.6 in.
Minimum Seat Height 20.2 in.
Maximum Arm Height 15 in.
Minimum Arm Height 11 in.
Backrest Height 34.6 in.
Backrest Shoulder Width 19.7 in.
Package Size (cm) 88x69x37 
NW 28 kg
GW 30 kg
Warranty 1 year
Max Weight 400 lbs
Wheel Material Polyurethane
Wheel Size 3 in. 
Base Aluminium

  • Up to 14 days from date of delivery, subject to return fees.
  • Cancellation only before order has been shipped
  • Full refund/return policy
  • Ships from Ottawa, Ontario
  • Delivers in 3-7 working days depending on location and availability. If item is no longer in stock than delivery may take up to 5 weeks.
  • Delivery cost calculated upon checkout
  • 1 year warranty on all functionality portions of the chair with regular use.
  • Full warranty statement here

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