<b>SERHOM Mens UV sun protection long sleeves t shirt:</b><br> 1, UPF 50+ fabric protects your skin from the sun's harmful rays by blocking harmful UVA and UVB.<br> 2, Technical fabric wicks moisture away from your skin, this lightweight, breathable, moisture-wicking fabric keeps you cool, breathes freely and dries quickly.<br> 3, Flatlock SEAMLINES and NO TAG COLLAR: the Flatlock seamlines and no tag collar reduce chafing and increase comfort. the flatlock seamlines all around the whole shirt give you a much comfortable feeling without any obstruct or uncomfortable within all your outside activity.<br> 4, DURABLE:Double-needle stitching in neck,sleeves and bottom hem for added durability.<br> 5, EASY CARE: Fully machine washable for easy care.<br><br> <b>Size Chart</b><br> S: CHEST: 35.5"- 37.5", WAIST: 30.5"- 32.5", LENGTH: 28"<br> M: CHEST: 38"- 40", WAIST: 33"- 35", LENGTH: 28.8"<br> L: CHEST: 40.5"- 42.5", WAIST: 35.5"-37.5", LENGTH: 29.5"<br> XL: CHEST: 43"- 45", WAIST: 38"- 40", LENGTH: 30.25"<br> XXL: CHEST: 45.5"- 47.5", WAIST: 40.5"- 42.5", LENGTH: 31.5"