We only list UK sizes. If you're not sure what your UK size is, please click on ‘Size advisor’ or review our size guides.
Whether layering under some jeans or wearing on their own, these kids’ thermal long johns will keep them comfortable and warm in cooler weather. Innovative Japanese Heatgen™ technology is super lightweight while also working to keep in the warmth, while added stretch and a ribbed trim help give these children’s long johns a cosy finish.
You may return unused products within 35 days of purchase.
How to return:
1. FREE returns to stores. The select M&S click and collect stores can be found here
2. Self-postage return to the UK. Return your parcel at your own cost through your preferred carrier. Print your returns label and note here.
FREE Delivery to Store: 3-4 working days. This delivery option is not currently available.
EXPRESS DELIVERY: 2-3 working days. FREE for orders over £75, otherwise £5.99.
Standard Tracked Delivery: 3-4 working days. FREE over £50, otherwise £3.50.