I came to the Prophet ﷺ in winter, and I saw his companions raising their hands inside their garments.
حدثنا وكيع حدثنا شريك عن عاصم بن كليب
أتيت النبي ﷺ في الشتاء قال فرأيت أصحابه يرفعون أيديهم في ثيابهم
Its isnad is sahih, but it is disconnected and is to be interpreted as connected, and Ahmad narrated it alone.