Our CLIMB set includes five bracelets that double as hair ties in gorgeous warm neutrals of brown, creams, and greens. This set with mountain peaks on the gold charm will remind us that our mountain top is in reach. Medium is the size of a normal hair tie band. It fits wrists between 5-6.4" around. Small is better for younger girls and small teens.  It fits wrists under 5" around. Large is sized for wrists 6.5-7.5"