Gaming Chair ThunderX3 BC1 BOSS Chocolate Brown, User max load up to 150kg / height 165-180cm---https://thunderx3.com/product/bc1-boss/Maximum weight : <150kgRecommended weight : <125kgFoam type : High density foamFrame type : PlywoodAdjustable armrests : N/AAdjustable backrest : N/AMechanism type : Butterfly mechanismRocking mechanism : Yes, 3° – 18°Rocking mechanism lock : N/AGas lift class & height : BIFMA tested level 3, max. 100mmBase size & type : 350mm nylon baseCaster size & material : 65mm nylon casterCover material : Leatherette with carbon patternOverall dimension (W x D x H) : 65 x 70 x 118-128cmBackrest dimension (W x H) : 55 x 75cmSeat dimension (W x D x H) : 50 x 52 x 47-57cmArmrests dimension (W x H) : 65 x 67-77cmProduct weight : 16.8kg