FEATURES: 4PACK, Quick Dry, Anti Odor, 4 Way Stretch, Lightweight, Breathable, Soft Touch, Short Sleeve, Tag Free Label SLIM FIT: Please refer to photo size chart for chest, waist, hips, and length measurements. For body conscious slim fit, follow your size as on the chart. For a more forgiving relaxed fit, you should go 1 size up. FABRIC: 90% Polyester - 10% Spandex. Same great fabric as our popular 32COOL polos and boxer briefs. Lightweight knit jersey with a lot of stretch. Lightly brushed on both sides for added softness. Exceptionally durable construction that remains in-tact and color that doesn't fade after multiple washes. ACTIVE, LOUNGE, OR OFFICE: The lightweight breathable quick-dry fabric and 4-way stretch fabric is comfortable for any activity. Perfect for working out, as an undershirt for work, or lounging at home. QUICK-DRY: Fabric quickly wicks away sweat from your body, keeping you dry, cool, and comfortable all day long. Perfect for any activity.