Take your layering tactics up a Notch in the kids\' thermal trousers. The extremely cosy leggings boast an elasticated waist to ensure they\'re always the perfect fit and come in a cool blue colour that is nice and wintry for a frosty under-layer. Returns Policy Please note that our returns policy for products such as base layers and swimwear differs from other products. These items are classed as ‘undergarments\' and for hygiene reasons are non-returnable and will not be accepted back unless faulty.EXPERT ADVICE Need some guidance on what Base Layers are right for you? Check out our article on Base Layers Explained. View all Expert Advice Guides