

Custom Long Sleeve Undershirts
Shown colour: White
Starting estimate: $0.50 per unit · 20 unit minimum ($10.00).
Final pricing is confirmed in your quote and may vary with the garment, quantity, fabric, branding, and finishing you choose.
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Custom Long Sleeve Undershirts for Uniform Layering
Start with how the undershirt will fit beneath your team's main uniform. Sleeve length, neckline and body fit all affect how the two garments work together. For example, a layer beneath a scrub top needs enough room for movement without gathering at the sleeves. Masswear Uniform manufactures custom long sleeve undershirts to the requirements agreed for your order.
These garments provide an additional layer and arm coverage beneath work shirts, scrub tops or jackets. However, the right specification depends on the setting and the clothing worn over it. Share your current uniform details when requesting a quote so the discussion centres on how your staff will use the garment.
Choose a Base Layer That Fits Your Workplace
Uniform buyers may need the same undershirt design across a department, a service team or several locations. In each case, consider the working environment before choosing the fabric and fit. A team moving between indoor and outdoor spaces may have different layering needs from staff working indoors throughout their shift.
For healthcare teams, start with your organisation's dress policy. Check whether it permits sleeves beneath scrub tops and whether it sets colour or cuff requirements. Our healthcare uniform range can help you consider the undershirt within a wider staff clothing programme. This garment does not carry a stated medical or protective performance claim.
Meanwhile, service teams can review how a base layer sits beneath their work shirts. Schools and sports organisations may also discuss undershirts where their clothing rules allow them. The purpose remains the same: agree on a garment that works with the outer uniform and the wearer's daily tasks.
Discuss Fabric, Colour and Garment Details
Fabric choice matters because an undershirt sits directly against the skin. Describe the feel, thickness and care needs you want before settling on a specification. Cotton long sleeve undershirts may be a consideration, but the available composition needs confirmation during quotation. Do not assume that every order uses cotton or that a pure cotton option is available.
If your brief includes cotton, our cotton material information provides a related starting point for discussion. Next, confirm the proposed fabric for this garment with your production manager. Any required stretch, breathability or wash performance also needs agreement; the product description alone does not establish those properties.
Colour should work with the main uniform, particularly where sleeves remain visible. For example, buyers considering black long sleeve undershirts can discuss the required shade alongside their existing clothing. Confirm colour availability for the order rather than assuming a standard stock range.
For custom long sleeve undershirts, neckline, sleeve finish and body length are useful discussion points. Explain whether the neckline should remain beneath the outer top and whether staff will tuck the garment in. The final design and construction depend on the requirements confirmed before production.
Review Fit and Sizes Beneath the Outer Garment
Fit needs attention across the chest, shoulders, arms and body. An undershirt that suits one outer garment may feel different beneath another. Therefore, provide details of the clothing worn over it and explain your team's preferred fit. Avoid choosing sizes solely from the labels on unrelated garments.
When sourcing men's long sleeve undershirts, discuss the intended fit and size requirements for your wearers. Confirm the size specification for this order before submitting the final breakdown. For mixed staff groups, explain who needs the garment so the sizing discussion reflects the actual team.
If staff wear custom V-neck scrub tops, review how the undershirt neckline will appear beneath that opening. Also consider sleeve room and body length together. This helps you assess the two garments as a uniform combination instead of choosing each piece separately.
Plan Branding and Bulk Order Requirements
Branding needs a clear purpose on a garment worn beneath other clothing. A chest logo may remain covered, while sleeve branding may be visible. Before requesting decoration, identify the area you want people to see. Discuss the proposed method and placement for the selected fabric rather than assuming every technique will suit it.
When ordering custom long sleeve undershirts in bulk, prepare a size breakdown alongside the total quantity. In addition, identify any separate colours or department requirements. A clear brief helps your production manager distinguish one shared design from several order variations.
Where teams also wear custom medical jackets, consider the combined sleeve space and visible colours. Extra layers can change how a uniform feels, so include the jacket in your fit discussion. Confirm the undershirt requirements within the full outfit rather than assessing it in isolation.
Confirm Your Order Before Production
First, prepare a brief covering intended use, quantities, sizes, preferred colours and any artwork. Include fabric and care requirements, along with the outer garments your team already wears. Masswear Uniform assigns each client a dedicated production manager to coordinate the agreed production requirements.
Next, review the quote and free mockup provided before production. Minimum order and estimated turnaround vary by product and are confirmed with the quote. Use the mockup to review visual details, including proposed branding placement. Separately, confirm fabric, sizing and care specifications; a visual mockup does not establish those technical details.
Finally, use the request-a-quote form to share your brief for custom long sleeve undershirts. List any details that still need discussion so they can be addressed before production. Clear requirements give your team a practical basis for reviewing the proposed garment and deciding whether it suits your uniform programme.
Materials & Features
Specify the wearer group, preferred fit and size quantities for long sleeve undershirts. Note any style or colour variations between teams; we confirm the selected specifications before your team approves the mockup.
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Specify the wearer group, preferred fit and size quantities for long sleeve undershirts. Note any style or colour variations between teams; we confirm the selected specifications before your team approves the mockup.

Review colours and branding for long sleeve undershirts
Send approved artwork, exact wording and colour references for long sleeve undershirts. Review the free mockup for spelling, colour and placement; we confirm the suitable decoration method for the selected garment before production.

Plan quantities and reorders
Break long sleeve undershirts quantities down by size, wearer group and delivery location. Keep the approved artwork and final specification with the order record to help coordinate future additions.

Why Masswear Uniform for custom uniforms?
Custom uniforms, considered from the first sketch to the final stitch.
Your idea. Made into a uniform.
Your colours, your fit, your identity. We turn your brief into custom uniforms made for your team.
Make every detail yours.
Embroidery, print and woven labels — considered finishing touches that put your brand front and centre.
A better fit, in every size.
Careful pattern making and grading keep the fit consistent across your whole size range.
Made for a team. Ready to scale.
Consistent sizing, stitching and finish, from your first order to the next. Minimum order varies by product.
The right fabric makes a difference.
Durable, comfortable fabrics, selected around how your team moves, works and wears its uniform.
Care at every step.
From fabric checks to the final inspection, a structured quality process keeps every detail in focus.
From our hands to your team.
Worldwide shipping with tracking, so you can follow your uniforms from dispatch to delivery.
Ready to Outfit Your Team?
From healthcare to hospitality, we deliver premium custom uniforms tailored to your brand. Get a personalised quote, no commitment required.
Flexible minimums
Minimum order varies by product
Free design help
Our team preps your artwork
Clear turnaround
Confirmed with your quote
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Frequently Asked Questions
Find answers to common questions about our products.
Can we specify cotton for our long sleeve undershirts?
How should we choose sizes for undershirts worn beneath scrub tops?
Can we add branding to the sleeves?
What is the minimum order for a staff undershirt programme?
What should we review before approving production?
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