Size Neck Measurement Width Small 11 to 13 in 3/8 in Medium 13 to 16 in 3/4 in Large 16 to 22 in 1 in X-Large 18 to 26 in 1 in Celebrate America’s natural beauty with the Pendleton National Park Adventure Collar, a timeless design inspired by Pendleton Woolen Mills’ iconic National Park Collection. Crafted from 100% recycled polyester webbing, this durable, eco-friendly collar is perfect for dogs who love to explore the great outdoors. • Adjustable Fit: Comfortable for dogs of all sizes• Durable & Eco-Friendly: Made from recycled materials• Quick-Release Buckle: Easy on and off for active pups• Stylish Pendleton Patterns: Classic heritage designs for modern pets• Made in the USA: With a portion of sales benefiting the National Park Foundation Pair it with the matching Pendleton National Park Adventure Leash for the ultimate trail-ready set.