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Claesen’s for Men – Underwear, Boxers & Basics

Discover men’s underwear, boxers, and T-shirts by Claesen’s – designed for everyday comfort, a perfect fit, and long-lasting quality.
From men’s boxers and briefs to premium T-shirts and comfortable loungewear, our essentials are made from soft cotton with stretch and stay in shape wash after wash.

Originals Oversized T-Shirt White Originals Oversized T-Shirt White
Originals Oversized T-Shirt White OR1000-LF-White
€29.95
2-pack Rib Boxer 2-pack Rib Boxer
2-pack Rib Boxer CL 2033-WHITE
€34.95
2-pack Rib Singlet zwart 2-pack Rib Singlet zwart
2-pack Rib Singlet zwart CL 1333-BLACK
€34.95
2-pack T-shirt SS 2-pack T-shirt SS
2-pack T-shirt SS CL 1021-WHITE
€44.95
2-pack V-neck T-shirt SS 2-pack V-neck T-shirt SS
2-pack V-neck T-shirt SS CL 1223-NAVY
€44.95
2-pack Rib Singlet wit 2-pack Rib Singlet wit
2-pack Rib Singlet wit CL 1333-WHITE
€34.95
3-pack Boxer Black 3-pack Boxer Black
3-pack Boxer Black CL 20823-BLACK
€44.95
T-shirt LS black T-shirt LS black
T-shirt LS black CL 1022-BLACK
€29.95
Pima R-Neck T-Shirt
Pima R-Neck T-Shirt CLS 131-BLACK
€39.95
T-shirt LS T-shirt LS
T-shirt LS CL 1022-WHITE
€29.95
3-pack Boxer Multi 3-pack Boxer Multi
3-pack Boxer Multi CL 20823-MULTI
€44.95
3-pack Boxer navy 3-pack Boxer navy
3-pack Boxer navy CL 20823-NAVY
€44.95
3-pack Boxer 3-pack Boxer
3-pack Boxer CL 20823-WHITE
€44.95
Pima R-Neck T-Shirt Pima R-Neck T-Shirt
Pima R-Neck T-Shirt CLS 131-WHITE
€39.95
2-pack Rib Boxer 2-pack Rib Boxer
2-pack Rib Boxer CL 2033-BLACK
€34.95
Men’s T-Shirts 2-Pack Black Men’s T-Shirts 2-Pack Black
Men’s T-Shirts 2-Pack Black CL 1021-BLACK
€44.95
2-pack T-shirt SS 2-pack T-shirt SS
2-pack T-shirt SS CL 1020SS-WHITE
€34.95
T-shirt LS T-shirt LS
T-shirt LS CL 1022-NAVY
€29.95
2-pack T-shirt SS 2-pack T-shirt SS
2-pack T-shirt SS CL 1021-NAVY
€44.95
2-pack V-neck T-shirt SS 2-pack V-neck T-shirt SS
2-pack V-neck T-shirt SS CL 1223-BLACK
€44.95
2-pack V-neck T-shirt SS 2-pack V-neck T-shirt SS
2-pack V-neck T-shirt SS CL 1223-WHITE
€44.95
V-neck T-shirt LS V-neck T-shirt LS
V-neck T-shirt LS CL 1024-WHITE
€29.95

Men’s Underwear and Basics

Comfortable, durable, and timeless men’s underwear and men’s basics – designed for everyday wear. That’s what Claesen’s stands for. Our collections combine a premium look & feel with high-quality materials and minimalist design, focused on comfort and long-lasting performance.

Discover a wide range of men’s underwear, including boxers and briefs, as well as men’s T-shirts and loungewear. Perfect for everyday use – whether at work, at home, or while relaxing.

High-Quality Cotton with Stretch

All Claesen’s men’s collections are made from high-quality cotton with stretch. Cotton ensures breathability, softness, and moisture absorption, while elastane provides flexibility and a comfortable fit.

The result is men’s underwear and clothing that feels soft on the skin, offers freedom of movement, and maintains its shape and color, even after frequent washing.

Minimalist Design, Maximum Comfort

Claesen’s men’s basics are known for their clean, minimalist design. No unnecessary details – just well-designed essentials that focus on fit, comfort, and quality.

Choose from classic colors such as black, white, grey, and navy, making it easy to build a versatile and timeless wardrobe. Ideal for daily wear, layering, or relaxing at home.

Perfect Fit That Lasts

Every item is designed with a perfect fit that lasts. Our men’s boxers, briefs, and T-shirts are developed to stay comfortable, maintain their shape, and feel great throughout the day.

Thanks to durable fabrics and high-quality production, Claesen’s products are made to last day after day, wash after wash.

Premium Essentials for Everyday Life

Whether you’re looking for men’s underwear, boxers, T-shirts, or loungewear, Claesen’s offers premium essentials that combine style and comfort.

Discover timeless basics designed for modern living – soft, durable, and made to last.