product size :
S 158cm-168cm (5.2 feet - 5.5 feet) M
168cm-180cm (5.5 feet - 5.9 feet) L
180cm-192cm (6 feet - 6.3 feet) XL
192cm-200cm (6.3 feet - 6.6 feet) XXL 200cm-210cm (6.6 feet - 6.9 feet)