Features: quick-drying, anti-odor, 4-way stretch, lightweight, breathable, soft, short sleeves, tag free label Slim Fit: Please refer to the size chart for chest, waist, hip, and length measurements. For body-conscious slim fit, follow your size as shown in the chart. For a more relaxed fit, choose one size larger. Fabric: 90% Polyester, 10% Spandex Same great fabric as our popular 32COOL polos and boxer shorts. Lightweight knit jersey with plenty of stretch. Slightly brushed on both sides for extra softness. Exceptionally durable construction that stays in tact and the color that won't fade even after multiple washes. Active, lounging, or office: The lightweight, breathable, quick-drying fabric and 4-way stretch material are comfortable for any activity. Perfect for working out, as an undershirt for work or lounging at home. Quick-drying: The fabric quickly wicks sweat away from your body and keeps you dry, cool, and comfortable all day. Perfect for any activity.