The SMAI WKF Approved Belt is a Homologated belt approved for competition use in all WKF sanctioned events internationally. Available in red or blue the belt has been manufactured by machine without fault. Constructed from poly-cotton it is 100% colour fast which ensures no bleeding of colours or staining of your Karate uniform. SMAI Karate belts are used by professional fighters all over the world. Please Note: There may be up to 15% variation in colour tones between production batches.Specifications: WKF Approved for use in all World Karate Federation sanctioned events. Only the highest quality equipment & apparel may earn this approval. Material: poly-cotton Jute filled 100% colour fast Available in: Blue, Red Available sizes: 3, 4, 5, 6, 7 WKF Approved WKF Approved for use in all World Karate Federation sanctioned events. Only the highest quality equipment & apparel may earn this approval.