ION Back & Chest Protector Size Chart
Size Body Height (cm) Body Height (US) Waist–Shoulder Length (cm) Waist–Shoulder Length (in)
S/M 155–175 cm 5'1"–5'9" 40–45 cm 16"–18"
L/XL 175–195 cm 5'9"–6'5" 45–50 cm 18"–20"
Sizing Note: Body Height refers to your overall standing height. Waist–Shoulder Length is measured from the top of your waist to the top of your shoulder. When between sizes, ION recommends sizing up for maximum coverage.