Coreline Flannel Shirt – Men’s Extra Thick 100% Cotton Plaid Long Sleeve

Why our gear experts love this

The Coreline Flannel Shirt is built from 100% heavyweight cotton—no shortcuts, no weak seams. It’s a shirt that carries weight and presence, locking in warmth without losing mobility. The plaid lines are bold and exact, cut clean across a fabric that stands up to the grind. This isn’t a lightweight layer—it’s the backbone piece that holds steady through long days and sharp nights.

Recommended Use:

Dialed for spring and fall when temperatures shift hard and thin shirts collapse. Wear it in the workshop, on the move, or through everyday chaos where durability matters more than polish. If you need a shirt that can take hits and keep shape, Coreline is it.

Bottom Line:

Solid build. Zero compromise. Coreline: the shirt that doesn’t fold.

Men's Tops — Size Chart (XS–4XL)

Measurements reflect body measures, not garment dimensions. If between sizes, size up for a relaxed fit.

Size	Chest (in)	Chest (cm)	Waist (in)	Waist (cm)	Sleeve* (in)	Sleeve* (cm)
XS	32–34	81–86	26–28	66–71	31–32	79–81
S	35–37	89–94	29–31	74–79	32–33	81–84
M	38–40	97–102	32–34	81–86	33–34	84–86
L	41–43	104–109	35–37	89–94	34–35	86–89
XL	44–46	112–117	38–40	97–102	35–36	89–91
2XL	47–49	119–124	41–43	104–109	36–37	91–94
3XL	50–53	127–135	44–47	112–119	37–38	94–97
4XL	54–57	137–145	48–51	122–130	38–39	97–99

*Sleeve measured from center back of neck to wrist. 1 inch = 2.54 cm.

BUILT TO BREAK LIMITS

GEAR THAT NEVER QUITS

You don’t need comfort. You need gear that holds when everything else gives out. Whether you're skinning up a frozen ridge, clinging to vertical ice, or bombing down scree at breakneck speed, Alpine Extreme delivers precision-built gear that answers only to obsession. No gimmicks. No shortcuts. Just ruthless quality that thrives where others fail.

You push harder. We keep up.

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Coreline Flannel Shirt - Men's

Size: S

Color: 1

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Coreline Flannel Shirt - Men's