It?€™s not fair to leave your four-legged Broncos fan out of the game day action. Give him his own way to show off his Boise State pride with this adjustable dog collar! This collar features Boise State graphics printed around both sides and adjusts to fit different size necks. Your little buddy will show off true team style every day! XS fits neck sizes 9.5?€ to 12?€ around. SM fits neck sizes 10″ – 15″ around. MD fits neck sizes 12″ – 19″ around. LG fits neck sizes 15″ – 24″ around. Sizes are approximate.