SOFT & COMFORTABLE - 76% Polyamid + 14% Polyester + 10% Spandex. Ultra soft and comfortable fabric and seamless sewing craft makes these workout tops super skin-friendly which won't cause any itching or rubbing, comfy for daily wear.SWEAT-WICKING - These women's workout shirts offer a smooth and dry sensation even in sweaty situations. Cool-dry and breathable fabric helps wick away moisture to avoid feeling sticky and odor-free.4 WAY STRETCH MATERIAL - Stretchy material performs well in staying up and in place, offering great support and compression to your body but won't be too tight, no constraint while doing sports.ELASTIC BOTTOM BAND - The wide and elatsic bottom band effectively holds up your breasts and you don't need to worry about the top would ride up. OCCASIONS - Great for yoga,sports, fitness, workout, work, office, daily-wear, jogging, climbing, party, club, riding bike and motorcycle, travel, vacation and daily athleisure.Size Chart(INCH)S Chest: 33"-35" Hem: 25"-27" Shoulder: 12.6" Sleeve Length: 7.5" Length: 13.4"M Chest: 35"-37" Hem: 27"-29" Shoulder: 13" Sleeve Length: 7.8" Length: 13.8"L Chest: 37"-39" Hem: 29"-31" Shoulder: 13.4" Sleeve Length: 8.3" Length: 14.2"XL Chest: 39"-41" Hem: 31"-33" Shoulder: 13.8" Sleeve Length: 8.7" Length: 14.7"If you have any problem or concern, please contact us and we will be more than happy to help. : )