Ergonomic. Extra robust. Breathable and skin friendly inner lining. Fully adjustable chest and belly straps. With fluorescent Julius-K9 lettering and reflective stripes. Handle with Velcro fastening. With lamp holder from size 1/L. Trendy Velcro stickers are available separately Size Measurements Stomach circum. 0/M-L 58-76 cm/40 mm 58-76 cm 1/L 66-85 cm/50 mm 66-85 cm 2/L-XL 71-96 cm/50 mm 71-96 cm 3/XL-XXL 82-116 cm/50 mm 82-116 cm The specified Trixie measurements always refer to external dimensions.