Meet the Hello World Computer Programming unisex t-shirt — a soft, breathable tee built for coders, learners, and anyone who appreciates a little tech humor. It’s comfortable, slightly stretchy, and ready to wear from classroom to coffee shop. Key Features & Design Material: 100% combed and ring-spun cotton (Heather colors contain polyester) Fabric weight: 4.2 oz/yd² (142 g/m²) Pre-shrunk fabric Construction: Side-seamed construction Sleeve & neck: Shoulder-to-shoulder taping Origin: Blank product sourced from Guatemala, Nicaragua, Mexico, Honduras, or the US Fit: Unisex sizing designed for everyday wear Size guide: XS — Length 27 in, Width 16 ½ in, Chest 31–34 in (Length 68.6 cm, Width 42 cm, Chest 78.7–86.4 cm) S — Length 28 in, Width 18 in, Chest 34–37 in (Length 71.1 cm, Width 45.7 cm, Chest 86.4–94 cm) M — Length 29 in, Width 20 in, Chest 38–41 in (Length 73.7 cm, Width 50.8 cm, Chest 96.5–104.1 cm) L — Length 30 in, Width 22 in, Chest 42–45 in (Length 76.2 cm, Width 55.9 cm, Chest 106.7–114.3 cm) XL — Length 31 in, Width 24 in, Chest 46–49 in (Length 78.7 cm, Width 61 cm, Chest 116.8–124.5 cm) 2XL — Length 32 in, Width 26 in, Chest 50–53 in (Length 81.3 cm, Width 66 cm, Chest 127–134.6 cm) 3XL — Length 33 in, Width 28 in, Chest 54–57 in (Length 83.8 cm, Width 71.1 cm, Chest 137.2–144.8 cm) LENGTH (inches) WIDTH (inches) CHEST (inches) XS 27 16 ½ 31-34 S 28 18 34-37 M 29 20 38-41 L 30 22 42-45 XL 31 24 46-49 2XL 32 26 50-53 3XL 33 28 54-57 LENGTH (cm) WIDTH (cm) CHEST (cm) XS 68.6 42 78.7-86.4 S 71.1 45.7 86.4-94 M 73.7 50.8 96.5-104.1 L 76.2 55.9 106.7-114.3 XL 78.7 61 116.8-124.5 2XL 81.3 66 127-134.6 3XL 83.8 71.1 137.2-144.8
