Measuring between 15 and 18 cm in length, the Black-winged Snowfinch possesses a compact and sturdy build, which is essential for retaining heat in frigid climates. Its plumage is predominantly a soft, muted grey, providing excellent camouflage against the rocky, barren landscapes of its alpine home. This primary grey coloration is punctuated by striking black markings on its wings—a feature from which it derives its common name. During flight, these black wing patches become highly visible, creating a sharp contrast against the pale body and the bright, snow-dusted background. The bird features a short, conical beak, which is a classic adaptation for cracking seeds and handling various types of alpine vegetation. Its legs are relatively strong, allowing it to traverse rocky scree and uneven ground efficiently. Both males and females exhibit similar coloration, though subtle differences in plumage density can sometimes be observed during the breeding season. The eyes are dark and alert, constantly surveying the environment for potential predators or food sources, reflecting the high-stakes survival nature of its mountainous existence.