Wire hole: Front pocket features a headphone wire hole. Bum bag: Get a Kono slimline sports bum bag in black or grey! Size: 46cm (W) x 14cm (H); 0.09kg. Waist strap: With an adjustable waist strap and buckle. Reflective: With four reflective strips - two on the front and two on the back. Compartments: Features three waterproof compartments, accessed via zippers. Kono Slimline Sports Bum Bag | Black | Living Social