John Lewis Boys' Pure Cotton Adjustable Waist Straight Leg School Trousers, Black, Black

Product information

  • Straight leg fit
  • Pure 100% cotton fabric
  • Comfortable and breathable
  • Will fit most body shapes
  • Pleated front with crease leg 
  • Adjustable waist
  • Belt loops
  • Slanted front pockets
  • Back welt zipped pocket
Our straight leg range of school trousers offer a smart look that will suit most body shapes.
Made from a pure 100% cotton fabric, these trousers are made for comfort and breathability for those long demanding school days.
These trousers boast a straight leg cut and pleated front with crease leg. They also feature slanted front pockets and a back welt zipped pock.
All of our trousers feature an adjustable waist and belt loops that help to ensure a great fit as they grow.
Easier dressing for ages 3-6 - It’s easier than ever to get your little one dressed for school. All of our trousers for ages 3 to 6 are ‘pull-on’. They feature a mock-fly fastening so they look the part. 
John Lewis
Eligible for International Delivery
100% cotton
Trouser Length
Washing Instructions
Machine washable

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Schoolwear Size Guide

Schoolwear Size Guide

Advice on choosing schoolwear, including measuring your child

Size Guide

Age/SizeHeightWaistRegular Length
398cm / 38.5"51cm / 20"37.5cm/15"
4104cm / 41"52cm / 20.5"42cm/16.5"
5110cm / 43.25"54.5cm / 21.5"46cm/18"
6116cm / 45.5"55.5cm / 21.75"49cm/19.5"
7122cm / 48"56.5cm / 22.75"55.5cm/22"
8128cm / 50.5"58cm / 23"59cm/23"
9134cm / 52.75"60cm / 23.5"62cm/24.5"
10140cm / 55"62cm / 24.5"65cm/26"
11146cm / 57.5"64.5cm / 25.25"68cm/27"
12152cm / 60"67cm / 26.25"71cm/28"
13158cm / 62"69.5cm / 27.25"74cm/29"
14164cm / 64.5"74cm / 29"77cm/30"

The measurements shown on the size chart are body measurements. These are average measurements for guidance in finding the right size.
Please note, actual measurements may vary slightly by style.



If you’ve changed your mind about keeping your purchase, please return it in its original condition with proof of purchase and we’ll exchange or refund it. Unless faulty, this should be within 35 days of receiving your order. By original condition, we’d expect this to mean that you’ve kept packaging and labels, and that the item is undamaged and unused.

You can return for free in the UK via John Lewis shops, Royal Mail, Collect+ or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454

You’ll find returns information on your delivery note. Exceptions apply to certain products - find out more about our refund policy

Q & As

£9.00 - £14.00

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