Featuresr size is optionalchest measurementmcn seuchest 84 122cm 331 441in lcn meuchest 88 116cm 346 457in xlcn leuchest 362 472cm 362 472in xxlcn xleuchest 96 126cm 378 496inr adopts advanced sewing technology flatter surface less frictionr highly elastic lycra fabric ensuring comfortable movementr with breathable quick drying fabric can quickly absorb and eliminate sweatr designed with reflective logor suitable for cycling running fitness