White Shirts, Spec-Checked

White shows everything — which is why the cheapest shirts fail fastest in white. The fabric gets thinner-looking, the collar waves, the seams pucker. The good news: the specs that predict all of this are printed on the brand’s own pages, and reading them takes two minutes.

Yarn ply and weave set the ceiling

Two-ply means two yarns twisted into one thread, and it is the single best cheap signal in shirting. A single-ply fabric can look crisp on day one, but individual strands abrade and pill; two-ply resists both. Charles Tyrwhitt builds its non-iron poplin from 100% 2-ply cotton and documents it plainly — poplin itself is a fine, flat, over-under weave with a smooth matte face that wears crisply under a jacket.

Oxford is the opposite bet: a heavier basket weave that softens with washing instead of stiffening. Brooks Brothers’ Regent-fit oxford is cut from American-grown Supima cotton, a long-staple fibre that resists fuzzing — the same logic that drives pilling in knits, and one we apply in reading a sweater label. Long staple is why a good oxford looks better in year three than in week one.

Stitching and collar: where shirts are actually made

Spier & Mackay documents its construction in detail the industry usually keeps quiet: every shirt sewn single-needle at a minimum of 18 stitches per inch, which the brand notes is a method usually reserved for high-end shirting because it needs more time and better tailors. The collars are a nine-piece reverse-fused, hand-turned construction with German interlining; buttons are genuine river shell; the side seams carry triangle gussets. At $68, those specs read like a much pricier shirt.

Compare the collar types honestly. A fused collar holds a sharp line and costs less; an unfused one rolls softly and ages with the fabric. Neither is wrong — a fused collar that blisters after a season of laundering is wrong.

Fits are names, not sizes

There is no standard “slim”. Spier & Mackay’s Contemporary has room to move, and its Classic is fuller still; Brooks Brothers calls its standard cut Regent (“chest and sleeves cut close to the body”, per the brand) and still offers Madison for more room; Charles Tyrwhitt sells its non-iron poplin in classic, slim and extra slim. Uniqlo’s Oxford Slim Shirt documents a washed finish, double-stitched seams and a thinner placket at a low price — but it comes in exactly one fit, and it is slim. Match the name to a size chart, never to the adjective.

The trade-offs, stated

Non-iron finishes deliver on their promise and cost the fabric some breath and lifespan; wash-and-press shirts need an iron or a laundry and keep their hand longer. Shell buttons crack and chip; they also age gracefully where plastic looks cheap from day one. The three picks below cover each trade-off, with specifications as the brands document them.

Comparison figures reflect the brands’ own documented specifications on their official product pages, checked September 2026.