Kixies Danielle Opaque Black Thigh-High Size DKix'ies Black opaque thigh high tights are a day to night wardrobe essential! Kix'ies thigh highs are designed for all day wear, with a no slip grip. Kix'ies are the #1 thigh highs that actually stay up! Sizing: Measure by height first and thigh circumference second. Weight can be arbitrary when sizing for a thigh high. We all carry our weight differently; be it in the tush, tummy or thighs which have no bearing on finding the perfect Kixies fit!