Construction First, Then Everything Else
Most men categorise clothing by how it looks. The knit shirt makes more sense when you understand how it is made. Unlike a woven shirt — where threads are interlaced at right angles to create a flat, structured fabric — a knit shirt is made from interlocking loops of yarn. The result is a fabric with natural stretch, a softer hand, and a different drape entirely.
That construction difference determines how the garment behaves, how it fits, and where it belongs in a wardrobe.
What a Knit Shirt Is Not
A knit shirt is not a sweater. Sweaters are typically heavier, looser in their knit construction, and designed to provide warmth above all else. A knit shirt uses finer gauge construction — tighter loops, lighter yarn — that keeps it closer to shirt weight than knitwear weight.
It is also not a jersey T-shirt, even though both are knitted. The T-shirt uses a single jersey construction in cotton that is lightweight and informal. A knit shirt uses finer materials — merino wool, cotton, silk blends — and a more refined structure that places it firmly above casual.
The knit shirt occupies the space between the two. It has the comfort and movement of a knitted garment with the visual weight and occasion-readiness of a shirt.
The Main Types of Knit Shirt
The knit polo. The most common form. A short or long-sleeve knitted garment with an open collar and a buttoned placket. The Knitted Cotton Polo Shirt demonstrates the format clearly: the knitted fabric gives it a softer, more relaxed character than a piqué polo, while the collar and placket keep it dressed up enough for situations where a plain T-shirt falls short.
The knit crewneck T-shirt. A crew neckline with the same fine-gauge knitted construction. The Knitted Cotton Crewneck T-Shirt reads more quietly than a polo — no collar, no placket — but in a quality fabric it carries more presence than a standard jersey tee. It works as a base layer under a blazer or on its own in relaxed contexts.
The knit T-shirt in premium fabric. The Silk Blend Knitted T-Shirt takes the same knitted construction and uses a silk-blend yarn that gives the fabric a subtle sheen and a noticeably finer drape. The result sits closer to a considered evening piece than to casual daywear.
How Knit Shirts Fit Differently
Because knit fabric has natural stretch, it follows the body more closely than a woven shirt. This is an advantage when the fit is right — the shirt moves with you, never pulls, and maintains its shape without needing careful pressing. It is a disadvantage when the fit is wrong — a knit shirt that is too large looks shapeless in a way a woven shirt does not.
Fit should be close without being tight. The shoulder seam sits at the shoulder. The body follows the torso without bunching or pulling. Sleeves end at the wrist, not mid-forearm.
How to Wear a Knit Shirt
The knit shirt's versatility is one of its strongest arguments. The same piece can move across a wide range of situations depending on what surrounds it.
On its own. A knit polo or crewneck in a neutral colour — navy, grey, white — works well as the primary layer in relaxed and semi-formal situations. The fabric quality does the work. Pair with tailored chinos or well-fitting trousers.
Under a blazer. A fine-gauge knit polo under a blazer is one of the cleaner layering combinations available. The collar sits neatly at the lapel without competing with it. This is where the knit polo consistently outperforms both a standard T-shirt and a dress shirt worn open-collar.
As a considered base layer. A knit crewneck T-shirt in merino or a silk blend works under a jacket, under a casual shirt worn open, or under a lightweight knitted overshirt. The fine construction means it adds no bulk.
The Case for Investing in Knit
Knit shirts require less maintenance than woven shirts. No ironing needed. They travel well, resist creasing, and retain their shape through a full day of wear. In finer fabrics — merino, silk blends, premium cotton — they also improve with age in a way fast fashion alternatives do not.
For a man who wants fewer, better pieces, a well-made knit shirt covers more ground than almost any other single garment.
Explore the full knit shirt range in the knitwear and sweaters collection and the polos and T-shirts collection at Grey Moritz.