
Size Guide
Dogs come in a delightful array of sizes and breeds, each with its unique personality and needs. When it comes to selecting the perfect collar and leash for your furry friend, it's essential to consider their size and proportions. Whether you have a petite pup, a medium-sized companion, or a large and lovable giant, RexyWear offers a range of options to ensure the ideal fit. Our size guide will help you find the perfect match, ensuring comfort, safety, and style for your beloved pet, regardless of their size.
Small
Neck Size: 7-11" (18-28 cm)
​Girth Size: 12-16" (30-40 cm)
Breeds: Chihuahua, Pomeranian, Jack Russel, Terrier, Pug, Yorkie, Maltese etc.
Medium
Neck Size: 11-16" (28-41 cm)
Girth Size: 16-22" (40-56 cm)
Breeds: Pomsky (Rexy), Shih Tzu, French Bulldog, Boston Terrier, Cavalier King Charles Spaniel etc.
Large
Neck Size: 16-21" (41-53 cm)
Girth Size: 22-28" (56-71 cm)
Breeds: Bulldog, Beagle, Cocker Spaniel, Australian Shepherd, Basset Hound etc.
X-Large
Neck Size: 16-21" (41-53 cm)
Girth Size: 28-36" (71-91 cm)
Breeds: Bulldog, Beagle, Cocker Spaniel, Australian Shepherd, Basset Hound etc.
How to Measure Your Dog for a Collar (Neck Size)
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Measuring your dog's neck size is crucial for selecting the right collar that fits comfortably. Follow these steps for an accurate measurement:
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Gather the Essentials: You’ll need a flexible measuring tape, a piece of string, or a ribbon to measure your dog's neck.
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Prepare Your Dog: Ensure your dog is standing comfortably in a relaxed position (not sitting or lying down).
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Locate the Base of the Neck: Find where the neck meets the body, just behind the shoulders.
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Measure with Precision: Gently wrap the measuring tape, string, or ribbon around the base of your dog’s neck. Ensure it’s snug but not tight. You should be able to slide two fingers between the tape and their neck.
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Record the Measurement: Take the measurement in inches or centimeters. This is the circumference of your dog's neck.
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Comfort Consideration: Collars should be snug enough to stay in place but not restrict movement. If the measurement is between sizes, opt for the larger size for a more comfortable fit.​​

​How to Measure Your Dog for a Harness (Girth & Chest Size)
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Measuring the girth and chest sizes is essential to ensure a snug but comfortable fit for your dog’s harness. Follow these steps to measure:
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Gather the Essentials: Flexible measuring tape or string.
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Prepare Your Dog: Make sure your dog is standing in a relaxed position.
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Girth Size:
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Find the girth area around your dog’s ribcage, just behind their front legs.
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Wrap the measuring tape around this area, ensuring it’s snug but not tight. You should be able to fit two fingers underneath the tape.
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Record the girth measurement in inches or centimeters.
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Chest Size:
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Measure around the widest part of your dog's chest, which is usually just behind the front legs.
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Make sure the tape is snug but not tight. You should be able to fit two fingers between the tape and their chest.
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Record the chest measurement in inches or centimeters.
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Tips for Harness Fit:
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For the best fit, the harness should not be too tight, allowing your dog comfort while walking.
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If your measurements fall between two sizes, it’s better to choose the larger size to ensure flexibility and comfort.
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Wait! Before you go any further!
Selecting the perfect size and customizations for your pet's collar and leash can be trickier than teaching a cat to do tricks (trust us, we've tried). But fret not! If you're feeling more tangled than a ball of yarn, we're here to untangle the mystery for you. Just get in touch, and we'll guide you through it with more enthusiasm than a dog chasing its tail. We'll make sure your order is spot-on, so when it arrives, it'll be a paws-itively perfect fit. No need to stress; we're here to make your pet's style journey as entertaining as a squirrel-chasing expedition!
Size Options
​You're in full control of customizing every detail to fit your pup perfectly. From choosing the vibrant Biothane color to selecting the ideal hardware shade, collar width, length, leash width, and length—every element can be tailored to your preferences. Simply select your desired specifications when placing your order, and let us create the perfect gear for your furry friend!
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Collar Sizes:
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Small: Neck Size 7-11" (18-28 cm)
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Medium: Neck Size 11-16" (28-41 cm)
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Large: Neck Size 16-21" (41-53 cm)
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X-Large: Neck Size 21-26" (53-66 cm)
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Collar Width Options: Thin (1/2"), Standard (1"), Thick (1.5")
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Harness Sizes:
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Small: Girth Size 12-16" (30-40 cm)
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Medium: Girth Size 16-22" (40-56 cm)
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Large: Girth Size 22-28" (56-71 cm)
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X-Large: Girth Size 28-36" (71-91 cm)
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Harness Width Options: Thin (1/2"), Standard (3/4"), Thick (1")
Leash Sizes:
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Short: 4ft (1.2 meters)
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Standard: 5ft (1.5 meters)
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Long: 6ft (1.8 meters)
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Leash Width Options: Thin (1/2"), Standard (3/4"), Thick (1")
Hands-Free Belt/Sling Sizes:
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Waist Size: One Size Fits Most (30-54" / 76-137 cm)
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Belt Width Options: Extra Thin (1/2"), Thin (3/4"), Standard (1")​
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​​​For our Biothane and hardware colors collection, visit our Colors page.