The classic in black...due to its unique shape the collar fits perfectly to your neck and with every movement.the inner surface is upholstered and made of breathable and water-repellent functional fabric and ensures a special wearing comfort even for a long time!the Collars are 3cm wide at the front and become narrower to 2cm width.in addition to the o-ring of at the front the offset closure on the back has an additional d-ring to attach further accessories.no sharp edges, no scratching, scouring or pressing... simply perfect wearing comfort in any position!medium - ideal for a neck circumference from 33 to 37cm