The Challenger series, which has superior ball handling, is produced with 12.000 dtex spine shape polyethylene yarn and offers a pleasant playground to the users with its rich color range. Congrass Challenger series, which demonstrates its durability against the negative effects of winter conditions and comfortable movement conditions along with cool and humid weather, with Oeko-Tex, ISO 9001 and ISO 14001 certificates, makes its usage areas more prestigious.