It doesn´t get much more comfortable than this.Its extra-stretchy fabric moves with you, not against you, so you never feel held back.FEATURES:-Soft knit anti-pick, anti-pill fabric has a clean, snag-free finish.-Material wicks sweat & dries really fast.-4-way stretch material moves better in every direction.-Ribbed collar & cuffs for added stretch & comfort.-Built-in thumbholes help keep sleeves in place with watch opening on left wrist for quick & easily access.-Right-side envelope pocket.Fabric:- Knit.