Glaze, defined right here for the ceramic artist who mixes their own recipes instead of buying off the shelf. This pottery t-shirt spells out the finishing coat that turns clay into something with real shine. Whoever spends more time on glaze tests than they will ever admit deserves this one. 100% ring-spun cotton (heather colors are cotton/poly blends; Sport Grey is 90/10) Lightweight 4.5 oz Gildan Softstyle® 64000 that feels broken-in from day one Classic unisex fit with a clean crew neckline No side seams and twill-taped shoulders for a smoother drape Ribbed-knit collar that resists curling, plus a soft tear-away label with no scratchy tags OEKO-TEX® certified and made with ethically grown US cotton Note: due to fabric properties, print colors may appear slightly different on white or light garments.