100% organic cotton laces. GOTS* certified.Made in Brazil Sizes :35 - 38 (S): 125 cm39 - 42 (M) : 135 cm43 - 47 (L) : 145 cm Sold in pairs. The organic cotton is grown in Peru by farmers' associations according to fair trade principles, without pesticides or chemical fertilizers. Suitable for all models except Running, Venturi, Nova HT and Roraima. *GLOBAL ORGANIC TEXTILE STANDARD