The 7 Must-Have Snoopy Dog Sweaters For 2025: Designs, Sizing, And Where To Buy

Are you ready to elevate your dog’s wardrobe with a timeless, yet incredibly fresh piece of pop culture? The Snoopy dog sweater, a staple in pet apparel for decades, is making a massive comeback in 2025 with some of the most unique and feature-rich designs ever released. Forget generic knits; the current collections feature everything from luxury designer collaborations to light-up holiday masterpieces, ensuring your furry friend is the star of the dog park or the holiday party.

This comprehensive guide, updated for December 2025, dives deep into the newest Peanuts-themed dog clothing, highlighting the must-buy styles, the essential retailers, and the critical sizing secrets you need to know before you purchase. We break down the top collaborations and the practical details to ensure a perfect, cozy fit for your beloved companion.

The Peanuts Pet Apparel Universe: Key Entities and Design History

The enduring popularity of Snoopy and the entire Peanuts gang—created by Charles M. Schulz—has cemented their place in the pet apparel industry. What started as simple character prints has evolved into sophisticated, high-quality collections. The 2025 season sees a focus on interactive features, premium materials, and designs that celebrate specific Peanuts storylines, particularly holiday and seasonal themes. This topical authority is built on collaborations with major retailers and specialized pet brands.

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• The Main Characters: Snoopy (The World War I Flying Ace), Woodstock, Charlie Brown, Linus Van Pelt.
• Official Retail Partners (2025): LITTLE BEAST (designer), American Eagle (AE), PetSmart, Kohl's, Spirit Halloween, Shipt, The Peanuts Store.
• Apparel Types: Cozy Knit Sweaters, Holiday Pet Sweaters, Fleece Pajamas, Stretch Jersey Shirts, Puffer Dog Coats, Hoodies.
• Materials & Features: Cozy Knit, Fleece Material, Sherpa Lining, Stretch Jersey, Light-Up Accents, Jingle Bells, Ornament Accents.

The 7 Hottest Snoopy Dog Sweater Designs for the 2025 Season

The newest collections for 2025 are packed with innovative designs that go beyond a simple graphic. These are the most sought-after Snoopy sweaters and apparel pieces you should be looking for right now, categorized by their unique features and style.

1. The Light-Up Holiday Masterpieces (Spirit Halloween)

For those looking to make a statement, the light-up sweaters are the undisputed showstoppers of the holiday season. These pieces are not just festive; they are interactive and often feature the classic Peanuts Christmas themes.

• Light-Up Snoopy Dog House Ugly Christmas Sweater: This "ugly sweater" design features bright red and green colors and is adorned with glowing lights, making it an instant conversation starter at any holiday gathering.
• Light-Up Snoopy I've Heard Enough Christmas Sweater: This design incorporates snowflake patterns, actual jingle bells, and ornament accents, along with three dazzling light-up features, all inspired by everybody's favorite pup.
• Key Feature: Battery-operated LED lights and festive adornments for maximum visibility and cheer.

2. The High-End Designer Knit (LITTLE BEAST Collaboration)

The LITTLE BEAST collection offers a premium, designer take on the Peanuts theme. Known for their quality and modern aesthetic, these sweaters are for the discerning pet owner who values style and durability.

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• Peanuts Snoopy Dog Sweater in Blue: This piece is part of LITTLE BEAST’s newest collection, often featuring a high-quality, cozy knit construction and a sophisticated design that highlights Snoopy and other characters like Linus Van Pelt.
• Key Feature: Premium materials and construction, often including coordinating items like the Snoopy Gift Stripe Onesie or a Snoopy Puffer Dog Coat.

3. The Seasonal Spooky Knit (American Eagle & PetSmart)

Seasonal apparel is a massive trend, and Snoopy is a leader in holiday-specific dog clothing, moving beyond just Christmas to include Halloween and Fall themes.

• AE Snoopy Dog Sweater (Spooky Spirit): American Eagle (AE) offers a cozy and playful sweater designed to get your pup into the "spooky spirit," often featuring a scary or ghost-themed Snoopy print for Halloween.
• Peanuts Blue Holiday Snoopy Sweater (PetSmart): A classic, cozy knit option from a major retailer that is perfect for frosty days and features a traditional Snoopy holiday scene.
• Key Feature: Theme-specific graphics and comfortable, cozy knit fabrics designed for cooler weather.

4. The Fleece & Sherpa Comfort (Sassy Woof & General Licensed Brands)

For pure warmth and comfort, the focus shifts to materials like fleece and sherpa, which are ideal for smaller or short-haired dogs that get chilly easily.

• Sassy Woof Dog Reversible Sherpa Jacket - Peanuts™ Harvest: While technically a jacket, this reversible piece offers the warmth of a sweater with a soft Sherpa lining, making it a highly functional and cozy option for cold weather.
• Licensed Brand Peanuts Holiday Pet Sweater: Often made from warm fleece material, these are perfect for winter and spring apparel and can be found through retailers like Shipt and eBay.
• Key Feature: Maximum warmth, often with a reversible design or an extra-soft lining for comfort.

The Ultimate Snoopy Dog Sweater Sizing and Buying Guide

One of the most common mistakes when buying dog apparel is guessing the size. Peanuts-licensed clothing, in particular, can sometimes run small, so accurate measurements are non-negotiable for a comfortable and safe fit.

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Three Critical Measurements You Must Take

Always refer to the specific brand’s size chart, as sizing varies significantly between retailers like Little Beast, American Eagle, and PetSmart. The three key measurements are:

1. Length (L): Measure from the base of the neck (where the collar sits) to the base of the tail. This is the most crucial measurement for sweater length.
2. Chest/Girth (C): Measure the widest part of your dog’s ribcage, just behind the front legs. The sweater must be loose enough here for full movement.
3. Neck (N): Measure around the neck where the collar sits. Ensure a comfortable fit that isn't too tight.

Pro-Tip for Peanuts Apparel: If your dog is in between sizes, especially for the length or girth measurement, it is almost always recommended to choose the next size up. A slightly larger sweater is better than one that restricts movement or is difficult to put on.

Choosing the Right Material for Your Dog

The best Snoopy sweater material depends entirely on your dog and the climate:

• Cozy Knit (Acrylic/Polyester Blend): Ideal for indoor wear or mild autumn/spring days. It offers moderate warmth and is generally machine washable. This is the most common material for the classic "sweater" look.
• Fleece or Sherpa: Excellent for cold winter weather. Fleece is lightweight but highly insulating, while Sherpa provides a soft, thick lining for maximum warmth.
• Stretch Jersey: Best for pajamas, t-shirts, or lighter apparel. It provides a snug, flexible fit and is great for dogs with sensitive skin.

By focusing on these new 2025 designs and adhering to a strict sizing guide, you can ensure your dog not only looks incredibly stylish in their Snoopy attire but is also perfectly comfortable and warm.