Best Birthday T-Shirts for Baby Boys of 2025

The Hoolaroo Birthday T-Shirt is a delightful personalised gift for your little boy's special day. His name and age are prominently displayed, making it a unique keepsake. Made from 100% cotton, the t-shirt is soft and comfy, ensuring he can play freely without discomfort. The jungle-themed design is not only eye-catching but also printed with high-quality ink that withstands multiple washes, keeping the shirt looking adorable for years to come.

The Racecar Birthday T-Shirt is a delightful choice for your little one. Before customising, you can easily select the correct size and style, ensuring a perfect fit. Available in sizes from 6-12 months to 3-4 years, this t-shirt grows with your child. The charming design features a racing car and can be personalised with your child's name, making it a unique gift. Notably, the design is printed directly onto the garment, which means no vinyl to peel or wear off over time.

The GALAXY TEES Birthday T-Shirt is a delightful choice for celebrating your little one's first birthday. Printed in the UK, the vibrant and durable design ensures that the shirt will look great even after many washes. The size guide helps you choose the perfect fit, making it easier to find the right size for your growing child. Available in a range of colours, including navy blue, you can select the one that best suits your child's personality or the birthday theme.

The WAWSAM Dino T-Shirt features a unique and vibrant design, perfect for a birthday celebration. The adorable dinosaur and colourful letters will make your little one stand out at any dino party or school event. Made from 100% cotton, it offers a soft and breathable touch, ensuring your child remains comfortable throughout their activities. The elastic round neck design makes it easy for you to dress your toddler, while the durable double-needle hem ensures the shirt stays in shape wash after wash.

The AMZTM Dinosaur T-Shirt is the perfect gift for your little dinosaur enthusiast’s special day. Designed for comfort, this cotton tee is breathable and ideal for all-day wear at birthday parties or during festive occasions. The exclusive design features an embroidered number “1” and unique dinosaur horn details on the shoulders, making it a fun choice. You can easily pair it with various pants and coats, and the gentle fabric ensures no discomfort while your child enjoys their celebrations.

The Second Ave Birthday T-Shirt is a delightful choice for your little one's special day. With its shortsleeve design, it ensures comfort and ease of movement, perfect for active children. Made from 100% cotton, the shirt is soft against the skin, making it ideal for all-day wear. The charming Birthday Boy design adds a festive touch, helping your child celebrate in style. Available in various sizes, this shirt can be a great fit for any birthday boy, allowing for a memorable celebration.

This delightful Peter Rabbit Birthday T-Shirt is perfect for celebrating your little one's first birthday. Available in white and baby blue, it showcases a charming design that will make special photographs even more memorable. The t-shirt is made from 100% cotton, ensuring comfort for your baby, and it’s machine washable, so you can easily keep it looking fresh. Personalisation is available, with your child's name beautifully embroidered below the design, adding a unique touch to this wonderful keepsake.

The WAWSAM Jungle Animals Tee is a delightful choice for your baby boy's first birthday celebration. Featuring a unique safari jungle animals design, it showcases a cute lion, elephant, giraffe, and monkey alongside the playful text "I'm Wild and One." Made from 100% cotton, this breathable fabric ensures all-day comfort without fading. The elastic round neck design allows for easy dressing, making it a practical option for busy parents. This charming T-shirt is perfect for birthday parties or any special occasion.

The WAWSAM Dino Birthday Shirt is a delightful choice for your little one's first birthday celebration. With its unique design featuring an embroidered "1" and dinosaur horns on the shoulders, this shirt is both fun and stylish. Made from soft cotton, it ensures all-day comfort, making it perfect for birthdays, parties, or everyday wear. The elastic round neck allows for easy dressing, while the double-needle hem keeps the shirt looking neat and flat. Your little dino fan will love wearing this special shirt on their big day!

The WAWSAM Jungle Birthday Tee is a delightful choice for your little one's special day. Featuring a vibrant safari animals theme, this shirt showcases a cheerful lion, elephant, zebra, and monkey alongside the fun phrase "I'm TWO Wild." Made from 100% cotton, it ensures all-day comfort with its soft, breathable fabric and an elastic round neck for easy dressing. This T-shirt is perfect for birthday parties and other important occasions, making it a thoughtful gift for your baby. Plus, it’s easy to care for with machine wash options.