3.9 oz., 100% Airlume combed and ring-spun cotton jersey, 32 singlesHeather Colors: 52% Airlume combed and ring-spun cotton/ 48% polyesterAthletic Heather: 90% Airlume combed and ring-spun cotton/ 10% polyesterSide-seamsEnvelope neckSnap leg closure (specs are with binding)Tear-away label”CLICK HERE for fabric guide & screen printing tips”