Cotton Flannel

Spring feels light and optimistic, with a brightness that makes this flannel feel a little more playful while still being very wearable. The plush brushed finish gives it that familiar Mammoth softness, and the weight makes it suitable for more than just...

This white cotton flannel offers a softly brushed surface with a cozy, breathable feel. It’s ideal for shirts, pajamas, nightgowns, lightweight robes, and casual layering pieces. The fabric feels comforting without being heavy, making it suitable for...

This reversible flannel showcases grey and winter white plaid on both sides for double the design possibilities. Soft and midweight, it’s excellent for cozy shirts, robes, or lined jackets. Because both sides are attractive, it’s also great for unlined...

This cotton flannel features a crisp black, red, and white plaid with a soft, brushed finish. It’s cozy yet lightweight enough for layering, making it ideal for tailored shirts, pajama sets, or simple skirts. It also works beautifully for accessories...

This Waterfall colorway leans slightly deeper and more dramatic, making it a great choice if you want a flannel that feels timeless but substantial. The dense, brushed cotton has a premium hand and excellent durability, perfect for garments that will see...

Warbler introduces a nature-inspired green that feels grounded and easy to style, especially for fall and winter wardrobes. The fabric itself is thick, brushed, and luxuriously soft, with enough body to support relaxed silhouettes without feeling bulky...

Regatta has a clean, nautical energy that feels crisp and classic, especially appealing if you like blues that lean slightly refined. The Mammoth Flannel base brings warmth and softness without sacrificing structure, making it an excellent choice for...

Waterfall brings a deeper, moodier blue that feels classic and versatile, the kind of color that anchors a wardrobe. The fabric itself is the signature Mammoth Flannel base: dense, soft, and incredibly comfortable with a reassuring weight that feels...

Prairie Sky has a softer, slightly muted feel that reads calm and timeless, perfect if you gravitate toward understated color. Like all Mammoth Flannels, it’s thick enough to feel substantial but still breathable and flexible when worn, making it a...

Surf leans fresh and coastal, with cool blue tones that feel relaxed and wearable right out of the gate. Underneath that color story is everything Mammoth Flannel is known for: a plush, brushed hand, excellent body without stiffness, and that...

Grass is bold, earthy, and confident, perfect for garments that lean casual and expressive. The flannel itself is plush and substantial, offering comfort and warmth while still sewing cleanly and predictably. It’s ideal for statement flannel shirts,...

Pistachio brings a soft, cheerful green that feels fresh without being loud, a nice change of pace for flannel lovers who want something lighter. The Mammoth Flannel base keeps it grounded and wearable, with warmth, softness, and a satisfying thickness...

Teal Blue offers a richer, more saturated take on blue that adds personality while remaining versatile. Mammoth Flannel’s signature plushness really shines here, giving garments a cozy, elevated feel that works beyond basic loungewear. It presses cleanly...

This Red colorway leans deep and saturated, making it a strong choice for timeless apparel that feels bold but familiar. The fabric’s plush brushed finish and sturdy hand make it especially well suited to garments that get worn hard and often. Think...

Red is classic flannel territory, and this version delivers with warmth, richness, and that familiar cozy feel people reach for year after year. The Mammoth Flannel base adds a premium thickness and softness that elevates even the simplest garment. Ideal...

This Strawberry colorway reads slightly richer and deeper, giving it a cozy, nostalgic feel that pairs beautifully with the plush Mammoth Flannel hand. The weight and softness make it ideal for garments meant to feel comforting and lived-in. Great for...

Peach is soft and approachable, with a gentle warmth that feels easy to wear and endlessly cozy. The Mammoth Flannel base gives it structure and substance, making it suitable for much more than novelty makes. Ideal for shirts, casual dresses, pajamas,...

Nectarine has a warm, sun-washed feel that adds personality without overpowering a garment. Paired with the Mammoth Flannel’s signature thickness and softness, it creates apparel that feels cheerful, cozy, and substantial. This one shines for flannel...

Lavender brings a soft, unexpected twist to the Mammoth Flannel lineup, offering a gentler color story while keeping all the cozy appeal. The brushed surface feels luxurious and warm, and the weight makes it appropriate for a wide range of apparel...

Strawberry is warm, cheerful, and unapologetically fun, bringing a pop of color to the classic Mammoth Flannel base. Despite the playful hue, the fabric itself feels grown-up and substantial, making it surprisingly versatile for apparel. It’s perfect for...