Description

Warmth-without-overheating in a deliriously soft overshirt. The exterior is a two-ply cotton Italian flannel woven by Albini. The 17.5 micron merino Futurelining on the inside provides a superfine version of nature’s finest performance fabric. The lightweight and extremely breathable Alpha 60 insulation pulls it all together with a gentle high quality warm glow.

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Fabric

Fabric Story

An extremely breathable lightweight insulation system with a soft cotton exterior and beautiful merino interior. Albini Acottonflannel on the outside, super breathable Alpha 60 insulation in the middle and a soft and dry nylon-core merino on the inside.

Alpha is a non-migrating insulation originally designed for US special forces and optimized for breathability and wet conditions performance. It can be paired with a much more breathable face and lining fabrics than almost any other common insulation, which in turn allows us to create much more comfortable cool weather clothing. The nylon-core merino interior keeps things soft and dry with all of the natural performance of merino. On the outside is Acottonflannel, a 100% cotton 190gsm plaid flannel woven and spun in Italy by the masters at Albini, because no one quite does shirting like they do. Like most [alpha]core set-ups this combination traps a nice amount of warmth but begins to dump heat before things get too hot.

  • Fiber Content

    • Acottonflannel: 100% Cotton
    • Polartec Alpha 60: 100% Polyester
    • Nyloncore Merino: 89% Merino, 11% Nylon
  • Fabric Weight

    420GSM

  • Fabric Origin

    • Woven in Italy
    • Knit in USA
    • Knit in Thailand
  • Fabric Water Resistance

    None

  • Breathability

    High

  • Durability

    Experimental

Fit

  • Fidelity

    • True to size
    • Designed for layering, can be sized down for a closer fit
  • Shrinkage

    Expect slight shrinkage when first washed and dried

Size Chart

in Inches | Measured Flat

SizeXSSMLXLXXL
Shoulder21.52222.52323.524
Chest22.2523.2524.2525.2526.2527.25
Front Length27.2527.87528.529.12529.7530.375
Sleeve Length34.7535.2535.7536.2536.7537.25
Anarcius is 6'1", 150 lbs and wears size M in Deepshade. Worn with Future109s in Concrete.

Form

  • Made in

    Manhattan

  • Product Weight

    800G(size M)

  • Hardware

    • Cobra Zero snaps, made in Italy
    • Cobra low profile snaps, made in Italy
  • Pockets

    • Two merino lined hand pockets
    • One external chest pocket on the wearer’s left
  • Construction Details

    • Snap close placket with finger garages
    • Two point snap close cuffs
    • Hang loop
    • Black Lightning 30mm woven label on right hand pocket
  • Style Number

    O637

Revision History

  • January 2023:
    • Initial release
    • Name: Experiment 355 - Acottonflannel Warmshirt
    • Colors: Blueorange, Pinkred
  • October 2025:
    • Name changed: Acottonflannel Warmshirt
    • Fit updated: Chest and bottom hem refit
    • Colors: Deepshade, Blueshade, Flowerlit

Care

  • Washing

    Machine wash warm

  • Drying

    Tumble dry low

Photography Credits

Photos by Jon-Paul Rodriguez

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