Purchased at Costco last year. Never used, still new, but my child outgrew it. Made of a material that doesn't take up much space, but the inside is fleece, so it seems to have high heat retention. PEKKLE Jacket - Brand: PEKKLE - Color: Blue/Green - Size: 5/6 - Weight (kg): 17.1-21.8 kg - Height (cm): 110-115.5 cm - Inner Material: Fleece Thank you for looking.