Size guide
Chains: 20" sits just below the collarbone and is the length most men choose. 22–24" sits on the upper chest and suits pendants and tags.
Bracelets: wrap a string around your wrist bone, measure it, and add 0.5" for a snug fit or 1" for a relaxed fit. Most men wear 8".
Rings: measure the inside diameter of a ring that fits you. 18.1 mm = US 8, 18.9 mm = US 9, 19.8 mm = US 10, 20.6 mm = US 11, 21.4 mm = US 12.
