Skip to main content Skip to search Skip to main navigation

Boys’ T-Shirts & Singlets – Soft Cotton Essentials

Discover boys’ T-shirts and singlets by Claesen’s – designed for everyday comfort, softness, and a perfect fit.
From boys’ basics to versatile undershirts and tops, our collection is made from breathable cotton with stretch and stays in shape wash after wash.

Hemd 2 pack Shrimp Hemd 2 pack Shrimp
Hemd 2 pack Shrimp 260150-Shrimp
€34.95
Singlet Happy Camper Singlet Happy Camper
Singlet Happy Camper 260150-HappyCamper
€34.95
Singlet 1 pack Cloudberry blue Singlet 1 pack Cloudberry blue
Singlet 1 pack Cloudberry blue CL150-Cloudberryblue
€18.95
Singlet 1 pack Mint Leaf
Singlet 1 pack Mint Leaf CL150-Mintleaf
€18.95
Boys T-shirt LS
Boys T-shirt LS CL 116-WHITE
€19.95
Boys T-shirt LS Navy
Boys T-shirt LS Navy CL 116-NAVY
€19.95
Boys V-neck T-shirt SS Boys V-neck T-shirt SS
Boys V-neck T-shirt SS CL 118-BLACK
€18.95
Boys V-neck T-shirt white Boys V-neck T-shirt white
Boys V-neck T-shirt white CL 118-WHITE
€18.95
Boys T-shirt SS Navy
Boys T-shirt SS Navy CL 112-NAVY
€18.95
Boys V-neck T-shirt Navy
Boys V-neck T-shirt Navy CL 118-NAVY
€18.95
- 16 %
Boys V-neck T-shirt SS Boys V-neck T-shirt SS
Boys V-neck T-shirt SS CL 118-GREY MELEE
€15.95 €18.95
Boys Singlet
Boys Singlet CL 150-BLACK
€18.95
Boys Singlet
Boys Singlet CL 150-NAVY
€18.95
Boys T-shirt SS katoen 2pack Boys T-shirt SS katoen 2pack
Boys T-shirt SS katoen 2pack CL 110-WHITE
€24.95
Boys Singlet
Boys Singlet CL 150-WHITE
€18.95
Boys T-shirt SS Boys T-shirt SS
Boys T-shirt SS CL 112-WHITE
€18.95

Boys’ T-Shirts and Singlets

Comfortable, soft, and versatile boys’ T-shirts and boys’ singlets – essential pieces for every wardrobe. At Claesen’s, we design high-quality basics that can be worn as underwear or as outerwear, depending on the moment.

Our collection of boys’ T-shirts and singlets is perfect for layering under clothes or wearing on its own during warmer days. Combine them easily with other boys’ essentials for a complete, comfortable outfit.

Soft Cotton with Stretch

All Claesen’s boys’ tops are made from high-quality cotton with stretch. The breathable cotton feels soft on the skin and absorbs moisture, while elastane ensures flexibility and freedom of movement.

This combination makes our T-shirts and singlets ideal for active days, school, sports, or relaxing at home.

Perfect Fit and Long-Lasting Quality

Claesen’s is known for a perfect fit that lasts. Our boys’ T-shirts and singlets are designed to maintain their shape, softness, and color – even after frequent washing.

No itchy labels, no discomfort – just clean, comfortable basics that feel good all day long and stay beautiful wash after wash.

Versatile Everyday Essentials

Whether worn as an undershirt or as a lightweight top, Claesen’s boys’ T-shirts and singlets are highly versatile. Their minimalist design makes them easy to combine with any outfit.

Available in timeless colors such as white, black, and grey, these essentials are perfect for everyday wear, school, sports, or holidays.

Designed for Comfort and Movement

Every Claesen’s item is designed with comfort in mind. Our boys’ tops provide a natural fit that moves with the body, ensuring maximum comfort throughout the day.

Discover premium boys’ T-shirts and singlets that combine comfort, durability, and style – soft, breathable, and made to last.