Gaming Chair AeroCool DUKE Steel Blue, User max load up to 150kg / height 165-180cm---https://aerocool.io/product/duke/Model Name : DUKEWeight Capacity : <150kgRecommended weight : <125kgFoam Type : High density foamFrame Type : SteelAdjustable Armrests : Yes, two-dimensionalAdjustable Backrest : YesMechanism Type : Butterfly MechanismRocking Mechanism : Yes, 3° – 18°Gas Lift Class & Height : Class 4 & Max. 100mmBase size & type : 350mm nylon baseCaster size & material : 60mm nylon casterCover material : AeroSuede, LeatheretteOverall dimension (W x D x H) : 69 x 70 x 125-135cmBackrest dimension (W x H) : 56 x 83cmSeat dimension (W x D x H) : 56x 56 x 47-57cmArmrests dimension (W x H) : 69 x 61-78cmProduct weight : 18.9kg