Nirvana fabric is lightweight, unbelievably soft, stretchy and comfortable TENCEL™ modal is a fiber produced from European beechwood trees harvested from sustainable forests where 99% of the raw material comes from certified or controlled sources Sweat can travel through the fabric so it can evaporate on the surface Thumbholes keep sleeves in place Side pockets stash your essentials Longer length in back covers up your bum Relaxed fit is roomy throughout for days when you want to hang loose Fits more like an xs Non smoking no pet home Excellent condition