STRATA BX Armor - 420 GSM Heavyweight Boxy Long-Sleeve Henley

Name: STRATA BX Armor - 420 GSM Heavyweight Boxy Long-Sleeve Henley
Brand: REALLY COOL®
Price: 224 USD
Availability: InStock

US$224.00

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A Classic Henley. A Different Weight.

The STRATA BX Armor heavyweight boxy long-sleeve Henley brings a familiar everyday style into substantial 420 GSM organic cotton jersey. Its clean, unbrushed surface retains the natural character of the fabric, while a reinforced three-button neckline adds versatility to a simple, considered design.

The Architectural Boxy Fit offers generous room through the chest, relaxed shoulders and a straight, full-length body. Full-length sleeves finish with clean, open cuffs for a relaxed look that feels natural worn on its own or beneath a jacket.

BX Armor keeps the original jersey surface, giving the heavyweight cotton a more direct, natural feel. STRATA's controlled washed treatment adds subtle tonal depth to Burnt Umber and Dark Earth, without heavy distressing.

Finished with Dark Espresso Brown buttons, raised white tiger-head embroidery and reinforced shoulder construction, this is an everyday Henley that brings together substantial fabric, easy comfort and understated character.

420 GSM Organic Cotton Jersey: substantial, high-density cotton with its natural unbrushed surface.
Architectural Boxy Fit: generous chest room, relaxed shoulders and a full-length body.
Reinforced Three-Button Henley: a versatile neckline with Dark Espresso Brown buttons.
Unbrushed Jersey × STRATA Washed: original cotton texture with subtle washed color variation.
Clean Open Sleeve Cuffs: straight, non-ribbed wrist openings for an easy, relaxed finish.
White 3D Tiger-Head Embroidery: signature contrast branding on both colorways.

Wear it with denim, trousers or layered under outerwear.

A classic Henley made distinctive through fabric, fit and considered details.

Feature	Details
Material Composition	100% Organic Cotton, exclusive of decoration
Organic Textile Program	GOTS-certified organic cotton jersey program
Fabric Weight	420 GSM Heavyweight Jersey
Knit Construction	High-Density Single Jersey
Yarn Configuration	16s/1 and 21s/2 Yarn System
Surface Finish	Unbrushed Single Jersey
Collection Treatment	STRATA Controlled Washed Finish
Silhouette / Fit	Architectural Boxy
Sleeve Construction	Full-Length Set-In Sleeves
Sleeve Openings	Standard Clean, Non-Ribbed Self-Fabric Open Cuffs
Body Hem	Standard Straight Hem, Non-Ribbed
Neckline	Reinforced Round Henley Neckline
Button Placket	Three Functional Buttons
Button Color	Dark Espresso Brown
Shoulder Construction	Mobilon-Reinforced Shoulder Seams
Dimensional Processing	High-Temperature Dimensional Stabilization
Stitch Construction	Three-Needle, Five-Thread Reinforcement at Specified Seams
Branding	Raised White 3D Tiger-Head Embroidery
Colorways	Burnt Umber Washed / Dark Earth Washed
Gender	Unisex
Available Sizes	XS / S / M / L / XL / 2XL

The Three-Button Henley - A Familiar Detail, Refined

A reinforced three-button neckline brings a different character to our signature heavyweight jersey.

The rounded neckline sits neatly when buttoned and opens naturally for a more relaxed look. Dark Espresso Brown buttons complement both STRATA colors, adding a subtle finishing detail to the washed cotton surface.

Unbrushed 420 GSM Jersey - Cotton in Its Original Form

BX Armor keeps the natural surface of our 420 GSM organic cotton single jersey, the unbrushed finish gives the fabric a clean, understated appearance while retaining the substantial feel of heavyweight cotton.

Paired with STRATA's controlled washed treatment, the surface takes on subtle depth and a lived-in character without heavy distressing.

STRATA Washed Finish - Depth in Every Color

STRATA introduces a controlled washed treatment that gives each garment subtle variations in tone and a naturally lived-in appearance.

Burnt Umber is a warm, reddish earth brown with rich, oxidized undertones.
Dark Earth offers a deeper, quieter brown with muted, grounded character.

Both colors are finished to create depth without heavy bleaching or exaggerated distressing.

Architectural Boxy Fit - Room Without Excess Length

A roomy chest, relaxed shoulders and straight sides give the Henley its distinctive boxy shape.

The body remains full-length rather than cropped, making it easy to wear untucked or beneath outerwear. Reinforced shoulder seams help support the intended shape through everyday wear.

Clean Open Cuffs - A Relaxed Finish

BX Armor features straight, non-ribbed sleeve openings that follow naturally from the full-length sleeves.
Unlike the ribbed cuffs of MX Signature, the clean, open finish allows the sleeves to fall freely at the wrist, keeping the overall look simple and relaxed.

The body retains the same Architectural Boxy Fit, with a straight, unrestricted hem.

Together, these details make the STRATA BX Armor Henley a versatile everyday piece, combining substantial cotton, natural fabric character and a considered fit.

Our 420 GSM organic cotton single jersey foundation has been evaluated through laboratory testing for dimensional stability, fabric strength, pilling resistance and colorfastness.

Performance Metric	Reported Result / Standard
Extended Wash Testing	50 wash-and-dry cycles under documented test conditions
Length Dimensional Change	Approximately −0.9%
Width Dimensional Change	Approximately −1.1%
Dimensional Test Reference	ISO 6330
Care-Label Shrinkage Specification	≤3.0% — specified acceptance limit
Bursting Strength	1,143 kPa
Bursting Test Standard	ISO 13938-1
Pilling Resistance	Grade 4–5
Pilling Test Reference	ISO 12945-2
Colorfastness	Laboratory evaluated under applicable test conditions
Colorfastness References	AATCC 8 / ISO 105-X12

Built Around Measurable Standards

Fabric weight establishes the foundation, but performance depends on more than weight alone. We evaluate our organic cotton jersey for how it responds to washing, physical stress and everyday surface wear.

These results refer to the laboratory-tested jersey samples under the documented conditions. They are shared material references, not separate finished-garment test guarantees for every STRATA colorway, brushing treatment or long-sleeve size.

For a deeper look at our materials and testing approach, explore The Tactile Paradox.

Architectural Boxy Fit - Structured, Not Cropped

The STRATA MX Signature Henley follows our established MX/BX Architectural Boxy pattern, with generous chest room, relaxed shoulder placement and a straight, full-length body.

The reinforced three-button neckline allows for different ways of wearing the Henley, while the full-length sleeves finish with comfortable ribbed cuffs.

Our sizing is intentionally generous. Size M is developed around a wearer with a body chest of approximately 112–122 cm (44–48 in), including customers who commonly wear men's XL in many US or European brands.

This is a fit reference, not a universal size conversion. We recommend comparing the finished garment measurements with a piece you already own and enjoy wearing.

Finished Garment Measurements (cm / inch)

Size	Half Chest	Body Length	Shoulder	Sleeve
XS	58 / 22.83	70 / 27.56	53 / 20.87	57 / 22.44
S	63 / 24.80	72 / 28.35	55 / 21.65	58 / 22.83
M	68 / 26.77	74 / 29.13	57 / 22.44	59 / 23.23
L	73 / 28.74	76 / 29.92	59 / 23.23	60 / 23.62
XL	78 / 30.71	78 / 30.71	61 / 24.02	61 / 24.02
2XL	83 / 32.68	80 / 31.50	63 / 24.80	62 / 24.41

For long-sleeve garments, arm length and preferred wrist coverage are especially important. Compare these measurements with a garment you already own and enjoy wearing.

See our Size & Fit Guide for more information.

Our 420 GSM heavyweight long-sleeve Henleys are available in two series: MX Signature and BX Armor.

Both share the same organic cotton jersey foundation, Architectural Boxy Fit and reinforced three-button neckline. The difference is in how the fabric feels and how the sleeves are finished.
Series
Fabric Surface
Sleeve Finish
MX Signature
Softly brushed Triple Carbon Peach
Ribbed Wrist Cuffs
BX Armor
Clean, Unbrushed Jersey
Standard Open Cuffs
MX Signature - The Tactile Expression

A softly brushed, suede-like cotton surface with ribbed cuffs for a more defined sleeve finish.

BX Armor - The Structured Jersey Expression

An unbrushed heavyweight cotton surface with straight, open sleeve endings for a simpler, more relaxed look.

Both series are available in SIGNAL, VOID and STRATA.
SIGNAL: Black and white with contrast embroidery.
VOID: Black and white with matching tonal embroidery.
STRATA: Washed Dark Earth and Burnt Umber with white contrast embroidery.

Choose MX Signature for its softly brushed feel and ribbed cuffs, or BX Armor for its original jersey texture and clean open sleeves.

Both deliver the same Architectural Boxy Fit and the versatility of a three-button Henley.
Fabric Composition

100% Organic Cotton
420 GSM High-Density Single Jersey
Exclusive of Decoration

Garment Care

Machine wash cold (maximum 30°C).
Turn the garment inside out before washing.
Wash with similar colors; wash dark colors separately.
Do not bleach.
Do not tumble dry.
Reshape gently and line dry in the shade.
If ironing is permitted by the care label, use low heat on the reverse side and avoid direct contact with the embroidery.

Handle the button placket gently during washing and ironing. Avoid excessive pulling on the buttons or applying direct heat to the embroidery and button details.
Always follow the care instructions attached to the individual garment.
Worldwide Shipping

REALLY COOL® offers shipping to selected destinations worldwide.
Shipping methods, estimated delivery times, and applicable charges are displayed at checkout.
Orders are typically processed within 1–3 business days after confirmation.

Returns & Exchanges

Eligible return requests must be submitted within 16 days of delivery, unless otherwise required by applicable consumer protection laws.
Returned products must meet our stated return conditions, including being unworn, unused, unwashed, and returned with original tags attached.

Exchanges are subject to approval, product availability, and destination requirements.

For full details, please review:
Shipping & Delivery | Returns & Exchanges

STRATA BX Armor - 420 GSM Heavyweight Boxy Long-Sleeve Henley

Fabric & Materials

Signature Finishing & Construction

Lab-Verified Performance

Built Around Measurable Standards

Fit & Size Guide — MX / BX Architectural Boxy

Explore the Long-Sleeve Henley Series

Care Instructions

Shipping & Returns

Series	Fabric Surface	Sleeve Finish
MX Signature	Softly brushed Triple Carbon Peach	Ribbed Wrist Cuffs
BX Armor	Clean, Unbrushed Jersey	Standard Open Cuffs