Size:
XS (Chest: 30–40 cm) – Recommended for Chihuahuas, Yorkshire Terriers, Pomeranians, Papillons, and similar-sized dogs;
S (Chest: 40–50 cm) – Recommended for Bichon Frises, Pugs, Shih Tzus, Miniature Schnauzers, and similar-sized dogs;
M (Chest: 50–60 cm) – Recommended for Corgis, Shiba Inus, Beagles, Standard Schnauzers, and similar-sized dogs;
L (Chest: 60–70 cm) – Recommended for Border Collies, Dalmatians, and similar-sized breeds;
XL (Chest: 65–78 cm) – Recommended for Samoyeds, Golden Retrievers, Labradors, Huskies, and similar-sized dogs.