95% organic cotton, 5% elastane. 165 gsm. Long Sleeve. Enzyme wash. Potassium spray detailing. Made for everyone, the Primer Longsleeve is an elevated Entire Studios basic. The classic top arrives in an array of neutral colors for effortless matching, cut in a slim fit for a more streamlined look. Produced in a midweight cotton fabric, the garment is ribbed and treated with an enzyme wash and potassium spray detailing for a slightly more distinctive overall look.