Gaming Chair ThunderX3 EC1 Black/Red, User max load up to 150kg / height 165-180cm---https://thunderx3.com/product/ec1/Maximum weight : mai mic de 150kgRecommended weight : mai mic de 125kgFrame type : PlywoodFoam type : High density foamAdjustable armrests : FixedAdjustable backrest : N/ARocking mechanism : Yes, 3° – 18°Rocking mechanism lock : N/AMechanism type : Butterfly mechanismGas lift class & height : BIFMA tested level 3, max. 100mmBase size & type : 320mm nylon baseCaster size & material : 50mm nylon casterCover material : Leatherette with carbon patternOverall dimension (W x D x H) : 64 x 70 x 111-121cmBackrest dimension (W x H) : 53 x 70cmSeat dimension (W x D x H) : 50 x 48 x 45-55cmArmrests dimension (W x H) : 64 x 64-74cmProduct weight : 15.5kg