Slab builder (noun): the potter who rolls, cuts, and joins clay into sharp-edged pieces instead of spinning them on a wheel. Slab Builder Defined gives that technique the recognition it deserves. A solid ceramics gift for any hand-building artist who prefers flat, deliberate shapes over curves. 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.