We only list UK sizes. If you're not sure what your UK size is, please click on ‘Size Chart’ & review our size guides.
Insect enthusiasts will be thrilled with this cotton-rich sweatshirt, inspired by Roald Dahl's 'James and the Giant Peach', and designed in collaboration with the Natural History Museum. Comfy regular fit, with warm long sleeves and a round neck. Printed with a smiley glow worm pattern, plus plenty of interesting facts. All of the cotton for our clothing is sustainably sourced and always will be. Every unique Roald Dahl™ & Natural History Museum™ product label also comes with a fun fact to keep.
No questions asked returns: For full-price merchandise: You may return unused products, with all price tags intact, within 35 days of purchase.
For reduced-price merchandise: You may return unused products, with all price tags intact, within 14 days of purchase.
Some products are excluded from our return policy such as Beauty, Knickers, Knicker Packs, Swimwear, Shapewear, Toiletries, Jewellery, personalised items and/or any products with a broken seal.
Hassle-free return policy: You can request a home pick-up by going to ‘My Account’ section.
Tell me more about the M&S refunds and returns policy >
Contact us for more details >
Standard Delivery: Limited Period Free Delivery on All Orders