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SIRRI

Boys 7-Piece Slim Fit Twill Suit, Midnight Blue

From £39.97Item price · delivery at checkoutChecked

What's included

  • Jacket
  • Trousers
  • Waistcoat
  • Shirt
  • Tie
  • Bow tie

Colours

  • Navy

Sizing guidance uses the general guide for SIRRI. The full description, fabric and care details live on the SIRRI product page (opens in a new tab).

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Product details
Fit
slim
Delivery details

The displayed price is for the item. Delivery and collection charges are confirmed by the retailer at checkout. Check the full amount for your selected size and delivery address before ordering.

Fits height

86–158cm

86 cm158 cm

Chest 51–76 cm

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Size chart

Check fit

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Source: SIRRI general chart. Recorded 10 Nov 2026.

Size chart

SIRRI

SIRRI boys' suit size chart in cm or feet and inches
SizeFits height up to (cm)Chest (cm)Waist (cm)
6–12 mths80 cm50 cm49 cm
12–18 mths86 cm51 cm50 cm
18–24 mths92 cm52 cm51 cm
2–3 yrs98 cm54 cm52 cm
3–4 yrs104 cm56 cm54 cm
5–6 yrs116 cm60 cm56 cm
7–8 yrs128 cm65 cm58 cm
9–10 yrs140 cm70 cm62 cm
11–12 yrs152 cm76 cm67 cm

Source: Transcribed from SIRRI's online page-boy size guide, checked 10 Nov 2026. Recorded chart values in whole cm; inches are approximate. Confirm the current item guide and offered sizes before ordering; this chart is not a fit or stock guarantee.

Try the jacket over the shirt and waistcoat he will wear. Check the full set before ordering.

This is SIRRI's general size guide. Check the listing for this suit's exact size run.

Open the full SIRRI size chart

From £39.97Item price · delivery at checkout
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