Adult Number T-Shirt – Ages 15–21

Celebrate milestone birthdays in style with our Adult Number T-Shirts, featuring numbers 15 through 21, originally hand-drawn by us. Each number is unique, quirky, and slightly different year to year — making them perfect as a collectible or for commemorating a special birthday.

🎉 Perfect For

• Birthday celebrations from age 15 to 21
• Milestone gifts for friends or family
• Everyday wear with a bold, graphic style
• Matching family or group outfits

✨ Why You’ll Love It

• Exclusive hand-drawn numbers designed in-house
• Layered white, shiny gold, and black flock lines for a textured, standout effect
• Available in White, Heather (light) Grey, or Mid Grey cotton
• Unisex adult sizing, perfect for both men and women
• Handmade in the UK with attention to detail
• Numbers also available in kids’ sizes

📏 Adult Sizes

• Small – 34/36" chest
• Medium – 38/40" chest
• Large – 42/44" chest
• X-Large – 46/48" chest
• XX-Large – 50/52" chest

👕 Fabric & Fit

• 100% cotton — soft, lightweight, and breathable
• Form-fitting adult cut
• Oeko-Tex 100 certified fabric

🧼 Care Instructions

• Machine wash at up to 40°C
• Iron on reverse to protect the flock design
• Do not tumble dry

🧵 Handmade to Order

Each T-shirt is individually handmade — not mass produced. Slight variations in flock placement make every piece unique. Please allow extra time during busy periods as your item is made especially for you.

🌟 Why Choose 44 Ideas

• Independent UK small business
• Handmade, personalised clothing
• Exclusive hand-drawn designs you won’t find on the high street
• Perfect for birthdays and memorable keepsakes