Brand size guide
John Lewis boys' suit sizes
John Lewis's published boys' size chart in cm, dated and sourced, plus every John Lewis suit we compare, with dated prices.
Find his size 7 sizes in the chart 5 suits compared £68–£98 checked 10 Nov 2026
John Lewis size chart
| Size | Fits height up to | Chest | Waist |
|---|---|---|---|
| 2–3 yrs | 98 cm | 53 cm | 51 cm |
| 3–4 yrs | 104 cm | 55 cm | 53 cm |
| 5–6 yrs | 116 cm | 60 cm | 55 cm |
| 7–8 yrs | 128 cm | 64 cm | 58 cm |
| 9–10 yrs | 140 cm | 69 cm | 61 cm |
| 11–12 yrs | 152 cm | 75 cm | 66 cm |
| 13–14 yrs | 164 cm | 81 cm | 71 cm |
Checked 10 Nov 2026 Transcribed from John Lewis's online boys' size guide. Sizes rounded to whole cm.
John Lewis suits compared
| Suit | Fits height | Price | Checked | Where to buy |
|---|---|---|---|---|
| Green Summer Suit John Lewis, jacket + trousers | 110–122 cm | £68 est. | Checked 10 Nov 2026 | Check price at John Lewis (opens in a new tab) |
| Navy Linen-Blend Suit John Lewis, jacket + trousers | 92–110 cm | £75 est. | Checked 10 Nov 2026 | Check price at John Lewis (opens in a new tab) |
| Ivory Communion Suit John Lewis, jacket + trousers + shirt | 122–134 cm | £85 est. | Checked 10 Nov 2026 | Check price at John Lewis (opens in a new tab) |
| Black Dinner Suit John Lewis, jacket + trousers + bow-tie | 152–170 cm | £95 est. | Checked 10 Nov 2026 | Check price at John Lewis (opens in a new tab) |
| Grey Wool Three-Piece John Lewis, jacket + trousers + waistcoat | 128–146 cm | £98 est. | Checked 10 Nov 2026 | Check price at John Lewis (opens in a new tab) |
-
Green Summer Suit
John Lewis, jacket + trousers
£68 est. 110–122 cm Checked 10 Nov 2026Check price at John Lewis (opens in a new tab) -
Navy Linen-Blend Suit
John Lewis, jacket + trousers
£75 est. 92–110 cm Checked 10 Nov 2026Check price at John Lewis (opens in a new tab) -
Ivory Communion Suit
John Lewis, jacket + trousers + shirt
£85 est. 122–134 cm Checked 10 Nov 2026Check price at John Lewis (opens in a new tab) -
Black Dinner Suit
John Lewis, jacket + trousers + bow-tie
£95 est. 152–170 cm Checked 10 Nov 2026Check price at John Lewis (opens in a new tab) -
Grey Wool Three-Piece
John Lewis, jacket + trousers + waistcoat
£98 est. 128–146 cm Checked 10 Nov 2026Check price at John Lewis (opens in a new tab)
est. = guide price from the retailer's listing, not a live price. "Checked" shows when we last saw the price at the retailer.