Men's long-sleeve polo shirts in Cotton Silk knit
A long-sleeve polo sits neatly between a tee and a shirt: the clean collar and ease of a polo, with full-length sleeves and a sharper line. Our PO 04 Tailored Longsleeve is knitted from Cotton Silk, breathable cotton with the soft hand and subtle sheen of silk, so it stays comfortable indoors and reads considered without effort. Designed in our Amsterdam studio and made in family-owned ateliers in Portugal, Turkey or China, chosen per piece for the best make.
What a long-sleeve polo is for
It is the in-between-days top. When a short-sleeve polo is not quite enough and a shirt is too much, the long-sleeve polo covers the gap: a collar to frame the neck, sleeves for cooler mornings and over-air-conditioned offices, and a clean knit that layers without bulk. Worn open at the collar it is smart-casual by default; under a jacket it is a refined alternative to a shirt.
Cotton Silk, the fabric that does the work
The fabric is the reason this polo dresses up without trying. Cotton Silk pairs the breathability and easy care of cotton with the soft, dry hand and faint sheen of silk. It is knitted, not woven, so it moves with you and holds a clean drape rather than clinging, and it stays dry and comfortable against the skin through a long day. The subtle lustre is what lifts it above an ordinary jersey polo: present in good light, never shiny. It is the same Cotton Silk we use across our Tailored polos; see the full Cotton Silk knit range.
The PO 04 Tailored Longsleeve
One silhouette, refined and offered in a full range of tonal shades, the muted, wearable colours ETQ is built on, and available in multi-packs. A clean collar, structured cuffs and a slightly tailored body that sits close without pulling, cut to work on its own or as a mid-layer.
How to wear it
- Office and dinner: with tailored trousers and a suede loafer, collar open.
- Layered: as a clean first layer under an overshirt, jacket or fine knit.
- Relaxed: with denim or chinos and a clean sneaker.
Keep the palette tonal and let the polo carry the outfit. For built-out combinations, see our business casual edit.
Long-sleeve, classic or buttonless?
- Long-sleeve (PO 04): full-length sleeves and a collar, for cooler days and layering.
- Classic (PO 04): the short-sleeve buttoned polo, the warm-weather staple.
- Buttonless (PO 05): a clean, placket-free open neckline in short sleeve.
All share the same Cotton Silk knit and fit, so once you know your size you can move between them.
Fit and sizing
The PO 04 Longsleeve is a clean, slightly tailored fit, cut close without restricting movement. Most customers find it true to size, in line with our knitwear; if you prefer a looser drape, size up. Each product page carries a size guide and verified-buyer fit feedback.
Caring for Cotton Silk
Low-effort to live with. Machine wash gently at a maximum of 30 degrees, inside out and with like colours, then reshape and dry flat; skip the tumble dryer and keep the iron low. To protect the hand-feel, wear more and wash less. Exact care is on each product page.
Why it earns a place
Ask our customers what made them buy and the answer is consistent: quality, design and the restraint that keeps a piece wearable for years. A long-sleeve polo is one of the most versatile things in a wardrobe, smart enough for the office, easy enough for the weekend, and it is the kind of piece returning customers come back for. We have shipped to more than 200,000 customers across Europe and North America, with a 4.4 out of 5 average across thousands of verified reviews. Same but better, every iteration.
Frequently asked about long-sleeve polos
What is a long-sleeve polo?
A polo shirt with full-length sleeves: it keeps the clean collar and easy character of a polo while adding coverage and a sharper silhouette for cooler days.
What fabric is it?
Cotton Silk knit: breathable cotton with the soft hand and subtle sheen of silk, knitted for a clean drape.
How does it fit?
A clean, slightly tailored fit. Most customers find it true to size; if you prefer a looser drape, size up, and check the fit note on each product page.
When should I wear it?
For office hours, travel, dinners and everyday wear, on its own with the collar open or layered under a jacket or knit.
Does it come in packs?
Yes. The PO 04 Longsleeve comes in a full tonal range and in multi-packs.
How do I care for it?
Machine wash gently at 30 degrees, avoid tumble drying, and wash less to preserve the texture.
Where is it made?
Designed in our Amsterdam studio and made in family-owned ateliers in Portugal, Turkey or China, chosen per piece.
See our classic and buttonless polos, the full polo collection, or the rest of our menswear.
| EU | US | UK | CM |
| 39 | 6 | 5 | 25.7 |
| 40 | 7 | 6 | 26.4 |
| 41 | 8 | 7 | 27.0 |
| 42 | 9 | 8 | 27.7 |
| 43 | 10 | 9 | 28.3 |
| 44 | 11 | 10 | 28.9 |
| 45 | 12 | 11 | 29.6 |
| 46 | 13 | 12 | 30.2 |
| 47 | 14 | 13 | 30.9 |
How to measure
Let’s find your perfect fit. Place a sheet of paper on the floor against the wall and put your feet (with socks) on it, heels against the wall. Make sure you lean on your feet with full power when measuring. Now you simply draw a line at the end of the biggest foot. Measure the distance with a ruler and find the size that matches it: see size table. Are you in between sizes? In that case, we suggest taking the bigger size.

Mediterranean Suede
Refined in style, matt in color. The ultra-soft suede leather is sanded and feels velvety soft. It is crafted from the inside layer of the leather hide. Mediterranean leather is the delicate choice.
Premium Suede
Experience unparalleled luxury. It's made of the finest selection of hides and superior finishing techniques. It is valued for its softness, flexibility, and ability to lend a sophisticated look. Our premium suede shoes need no lining, just one layer of leather. It wears like a second skin.
Nappa Leather
Soft. Smooth. Nappa leather makes extremely comfortable shoes. The leather is obtained from tanning animal hides. It is characterized by a fine grain and a smooth finish. It feels simply sophisticated.
Nubuck Leather
Premium nubuck: the best of the best. Exclusive leather that we sanded rough on the outside grain part of the hide, giving it a velvety butter-soft surface. It offers utmost suppleness.
Full Grain Leather
Full grain leather is naturally firmer and more durable as it is produced by retaining the top layer of the hide. Its appearance is natural, authentic, and robust. You are still able to see the grains. It looks just like the grains on your skin. We never sanded, buffed, or snuffed it, so this leather is super strong.
French Terry
Tès Chique. French terry is a knit characterized by its unique looped-back construction. One side is smooth, and the other side is textured with loops of thread. It is known for its comfort, breathability, and moisture-proof properties. French terry is available as lightweight or heavyweight.
Punti di Roma
Wrinkle-resistant, soft like a baby, and slightly elastic. This is Italian quality, knitted to perfection. Punti Di Roma has a heavy, rich quality as the stitches interlock on both sides of the fabric. The best part: it’s recovery properties. This fabric stays in shape. And so will you.
Bamboo
Bamboo fibers are derived from the pulp of bamboo plants. Bamboo knits are soft and breathable. Moisture wicking? Yes. Ideal for socks.
American Fleece
Comfort meets durability in our American Fleece. This fabric is made from a blend of premium cotton and synthetic fibers, providing a soft yet resilient texture. Known for its exceptional warmth and insulation, American Fleece is perfect for layering or wearing on its own. Its slightly brushed surface creates a plush, cozy feel, making it ideal for cooler climates. Despite its softness, this fleece is highly durable and resistant to pilling, ensuring it maintains its luxurious feel wear after wear. A staple in athleisure and casualwear, American Fleece offers the perfect balance of comfort and performance.
Italian Fleece
Elegance meets functionality with our Italian Fleece. This luxurious fabric is crafted from a premium cotton blend, renowned for its superior softness and refined texture. Italian Fleece is lightweight yet provides excellent warmth, making it an ideal choice for year-round comfort. Its smooth, polished surface gives it a sophisticated appearance, elevating casual wear to a new level of style. The meticulous Italian craftsmanship behind this fleece ensures it retains its shape and quality over time, offering both durability and a high-end feel. Perfect for layering or as a statement piece, Italian Fleece embodies the essence of quiet luxury with unparalleled comfort.
Piqué Knit
A true classic in fabric craftsmanship, piqué knit is renowned for its unique textured surface, characterized by a subtle waffle or honeycomb pattern. Originally developed for sportswear, piqué knit has evolved into a sophisticated fabric that balances structure with breathability. The weave creates tiny raised patterns, adding a tactile dimension while allowing air to flow easily, making it perfect for all-season wear.
Soft yet durable, piqué knit is frequently used in polo shirts and garments that require a balance between casual and formal. It drapes beautifully while maintaining a slight stretch, offering comfort without losing its shape. Known for its ability to hold its form and resist wrinkling, this fabric is an excellent choice for those who value a polished look with minimal maintenance.
Mercerized Cotton
Mercerized cotton is the epitome of luxury in cotton fabrics. Through a special finishing process, the cotton fibers are treated to enhance their natural properties, resulting in a fabric that is smoother, stronger, and more lustrous. The mercerization process not only strengthens the fibers but also gives the cotton a subtle sheen that adds an elevated, polished look to the material.
What sets mercerized cotton apart is its ability to hold dye exceptionally well, resulting in vibrant, rich colors that resist fading over time. It’s smoother to the touch than regular cotton, offering a silk-like feel without sacrificing breathability. This fabric is durable, resists shrinking, and maintains its shape, making it ideal for garments that combine sophistication with everyday wearability.
At ETQ, our mercerized cotton shirts offer a refined, elegant look with the comfort and practicality of cotton. It’s the perfect choice for those who appreciate understated luxury and long-lasting quality in their wardrobe essentials.
Twill Fabric – Iron Free
Twill fabric is a durable, structured material characterized by its diagonal weave pattern, offering a distinct texture and visual depth. Known for its strength and versatility, twill is used in garments that require a bit more durability while maintaining a polished, professional look. The diagonal weave provides natural wrinkle resistance, making it an excellent choice for both casual and formal attire.
What sets our Iron-Free Twill apart is its advanced treatment that ensures a smooth, crisp appearance straight out of the wash, eliminating the need for ironing. This fabric is designed to stay sharp and maintain its form throughout the day, providing an effortlessly polished look with minimal effort. Its ability to resist creasing and maintain its structure makes it ideal for busy professionals or frequent travelers who need their clothing to perform as well as they do.