Welcome "MCLAWren" adjustable dog harness to the pack: Our adjustable vest harnesses can be made bigger or smaller in a matter of seconds perfect for going over cool coats or rain jackets! • Neoprene fabric on the front to show off our eye catching design • Our adjustable harnesses have a fully adjustable chest strap and adjustable neck. • D-ring on the reverse for attaching lead,  ID tag or seatbelt restraint. • With an additional D-ring on the front for dual clip leads or ID tags. *NEW LONGER VEST XS-M* Size. Neck (cm). Chest (cm). Length (cm) XXSmall 25-35cm. 27-39cm. 15cm XSmall 30-36cm. 39-53cm. 19cm Small 35-44cm. 46-64cm. 21cm Medium 38-50cm. 50-68cm. 23cm Large 44-60cm. 60-85cm. 23cm Please note pattern placement will vary between each harness and colours of designs can vary between materials.