Anybody has the official hogwarts mittens? Looking to know what’s the material on them

And also if they’re warm or not. On the website there is no mention of what they’re made of

https://harrypottershop.com/products/hogwarts-school-crest-knitted-gloves?srsltid=AfmBOooYncjTDq200Jvd1avreT06rDN2cAO7pCxziQXxx0o-SWcqxlsP