The name says it all! Specs: • 100% organic ring-spun cotton • Fabric weight: 5.3 oz./yd.² (180 g/m²) • Single jersey • Medium fit • Set-in sleeves • 1 × 1 rib at collar • Wide double-needle topstitch on the sleeves and bottom hems For a more relaxed fit, we suggest all customers size up one size.