aluminum socks
https://www.bedbathandbeyond.com/store/product/35-below-reg-warming-socks-in-black/3307568?skuId=47349186&mcid=PS_googlepla_nonbrand_apparel_online&product_id=47349186&adtype=pla&product_channel=online&adpos=1o4&creative=221419474489&device=c&matchtype=&network=g&mrkgadid=3242593896&mrkgcl=609&rkg_i...