Mens Ndurance Moisturizing Wicking Training Athletic Workout T-Shirt TYPE - (NB9119)Crew Neck w/Long Sleeves,(NB9138)Crew Neck Singlet,(NB9118)Crew Neck w/Short Sleeve,(NB7117)Crew Neck w/o sleeve MATERIAL - 100% polyester birdseye knit flatback Pique mesh,wicking and anti-microbial properties FOR CARE - Machine wash cold with like colors,remover immediately. Use only non-chlorine bleach when needed. Do not use fabric softner,tumble dry low,Cool iron If needed,exclusive of decoration.Do not dry clean Moisture-wicking,Anti-microbial,Athletic fit,Light weight,Cool,and thin Please check for more information under product description