Helicoid T-Shirts BeigeGoldwin "Helicoid" crew neck T shirt with tubular construction without side seams. The design features short sleeves integrated directly into the structure through rotated fabrication, resulting in a one piece silhouette. The construction blends organic cotton and 100 percent recycled polyester, providing a compact, uniform texture. The construction minimizes seams to increase freedom of movement and reduce chafing points. Solid color Short sleeves