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Knitwear fabrics and fits matter more than most men realise once the weather turns and layering becomes part of the daily routine. Two pieces from SEDLEY , the Lambeth and the Cotall, sit at the centre of this question. Both are wool-blend knits, yet the collar shape, the texture, and the way each is cut change how they slot into a wardrobe.
Knitwear Fabrics: Wool-Blend Construction Across the Range
Both the Lambeth and the Cotall are built from a soft wool-blend yarn, which gives SEDLEY ‘s knitwear line a consistent base to work from. The Lambeth carries a touch of stretch woven into that yarn, aimed at comfort during movement. The Cotall, by contrast, uses the same wool-blend foundation but finishes it with a subtly textured surface rather than a stretch-focused one. That shared starting point, paired with two distinct finishing approaches, is a good example of how fits can diverge even within a single collection.
Ribbed trims appear on both pieces and are matched to the body colour, which ties them together visually and keeps the finish clean rather than decorative despite their different necklines. This detail matters for anyone comparing knitwear fabrics and fits side by side, because trims are often the first part of a knit to lose shape with repeated wear. The consistency of that colour match, rather than a contrast trim, is part of what keeps both pieces reading as understated rather than sporty.
The Lambeth Knitwear: Two-Button Collar and Stretch Comfort
The Lambeth polo knitwear, offered in black, is built around a classic two-button collar. That collar gives it a slightly more structured look than a plain crew neck, while the stretch in the yarn keeps it from feeling stiff. SEDLEY Affiliate Programme positions this piece as an effortless choice for smart-casual dressing, which lines up with the collar detail doing a bit more visual work than a basic pullover would.
Its silhouette is described as relaxed rather than fitted, so it sits close enough to layer under a jacket without pulling at the shoulders. The two-button placket also means it can be worn partially open, adding a small styling option that a closed-neck jumper does not offer. For anyone weighing knitwear fabrics and fits against how a piece will actually be worn day to day, that opening at the collar is a practical detail, not just a cosmetic one.
The Cotall Knitwear: Mock Neck and Textured Finish
The Cotall, available in charcoal, takes a different route with a ribbed mock neck instead of a collar. That neckline covers more of the throat, which changes how it reads next to a shirt or jacket compared with the Lambeth’s open two-button style. Its textured finish also sets it apart, giving the surface a bit more visual depth than a smooth-knit jumper.
Like the Lambeth, the Cotall is cut for a relaxed fit, and its trims match the body colour for a consistent, understated look. SEDLEY describes it as an effortless layer for everyday dressing, which fits a mock neck’s tendency to work equally well on its own or under outerwear. The texture and the higher neckline make it a slightly more self-contained piece than the Lambeth, needing less styling around it.
Fit and Silhouette: Relaxed Cuts and Practical Proportions
Both knits share a relaxed silhouette rather than a slim or fitted cut. This proportion choice means neither piece is designed to sit tight against the body, which has a direct effect on how each layers over or under other garments. A relaxed cut also tends to be more forgiving across different body shapes, since it is not reliant on a close match to measurements.
The practical upshot is that fits in this range are built around ease of wear rather than a tailored silhouette. Ribbed trims at the cuffs and hem on both pieces help keep the relaxed body from losing its shape over time, anchoring the fit at the extremities even while the main body stays loose.
- The Lambeth uses a wool-blend yarn with added stretch, while the Cotall uses a wool-blend yarn finished with a subtle texture.
- The Lambeth features a classic two-button collar, whereas the Cotall is finished with a ribbed mock neck.
- Both pieces include ribbed trims that match the body colour for a clean, understated finish.
- Both are cut for a relaxed silhouette rather than a fitted or slim shape.
- The Lambeth is offered in black and the Cotall in charcoal, giving each a distinct place in a neutral rotation.
Layering Strategy: Where Each Piece Sits in a Wardrobe System
The two-button collar on the Lambeth makes it a natural fit under a jacket, since the collar adds a small amount of structure at the neckline that peeks out cleanly. It also works as a standalone piece for smart-casual settings where a bit more polish is wanted than a plain pullover provides. That versatility is part of what the brand highlights when describing the piece as suited to everyday rotation.
The Cotall’s mock neck, on the other hand, functions well as a base layer under a coat or gilet, since there is no collar to fight with an outer garment’s neckline. It also stands alone comfortably because the ribbed neck and textured surface give it enough visual interest on their own. Thinking through knitwear fabrics and fits this way, as pieces to position within a layering sequence rather than as isolated garments, helps clarify when each one earns its place.
Care, Durability, and Long-Term Wear
Wool-blend construction generally calls for a gentler approach to washing than pure cotton knitwear, and the ribbed trims on both the Lambeth and the Cotall are a detail worth protecting from stretching or snagging. A cooler wash and flat drying are the kind of handling choices that tend to keep ribbing from loosening on knits built this way. Attention to how a knit is washed and dried has a direct bearing on how well ribbing and stretch retain their original shape.
SEDLEY frames its pieces as designed to be worn again and again, which puts a certain amount of weight on how they are maintained at home. A textured knit like the Cotall may show wear differently than a smoother, stretch-blend knit like the Lambeth, simply because the surface detail is more exposed. In both cases, sensible handling preserves the distinction between these two knitwear fabrics and fits for longer.
Closing Thought
As wardrobes shift between smart-casual and layered cold-weather dressing, the collar and neckline of a knit end up shaping far more outfits than the yarn alone ever could.
