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Custom UPF 50 Long Sleeve Tee | Sport-Tek ST420LS

Custom UPF 50 Long Sleeve Tee | Sport-Tek ST420LS

Regular price $15.69 USD
Regular price Sale price $15.69 USD
Sale Sold out
Shipping calculated at checkout.
Garment color: Black

Decoration Method

Get a Free Quote

⚡ Free quote for 12+ pieces

Sport-Tek® ST420LS Posi-UV™ Pro Long Sleeve Tee — 4-ounce, 100% polyester interlock with PosiCharge® color-locking technology, moisture wicking and a UPF 50 rating. Soft matte hand, set-in sleeves, removable tag for relabeling.

Available with embroidery and DTF printing — corporate uniforms, branded programs, and team apparel. No minimums: order from a single piece. Production in 1–2 days for singles, 3–5 days for bulk orders. Volume pricing from 12 pieces.

Product Specifications

Brand: Sport-Tek®
Model: ST420LS Posi-UV Pro Long Sleeve Tee
Fabric: 4-ounce 100% polyester interlock with PosiCharge
Sun protection: UPF 50
Fit: Unisex

Customization options

Embroidery: left chest, right chest, upper back, sleeve
DTF Print: left chest, full front, full back, sleeve
HTV: left chest, upper back, sleeve

Artwork requirements

What we need
Vector (AI, EPS, SVG, PDF) or PNG at 300 DPI at final size, with a transparent background. The file has to be sharp at the size it will be reproduced.

For embroidery
Thread cannot blend, so artwork is stitched as solid shapes. Flat colours and clean edges work as they are, up to about six colours. Gradients, drop shadows and photographic fills have to be rebuilt as solid areas first. Embroidery minimums at any size: lines at least 1–1.2 mm (0.04–0.05") thick and lettering at least 5–6 mm (0.2–0.25") tall. Finer detail closes up in thread, so small logos may need simplified details.

For DTF print
Gradients, photographs and any number of colours are fine — DTF reproduces what the file shows. What matters is resolution and a clean cut-out.

Final artwork is reviewed before production.

Size chart

Size | Available
------|----------
XS | Yes
S | Yes
M | Yes
L | Yes
XL | Yes
2XL | Yes
3XL | Yes
4XL | Yes

Measurements: see product spec sheet.

How it works

1. Select garment size, color, and decoration method
2. Upload your logo — vector (AI, EPS, SVG, PDF) or a PNG at 300 dpi with a transparent background. Digitizing for embroidery is free.
3. We send a digital mockup of your logo on the garment. Nothing runs until you approve it.
4. Production takes 1–3 business days for single pieces and 3–5 for bulk, then we ship. Order from 1 piece; volume pricing at 12+, 24+ and 48+.

Ideal for

• Outdoor work crews
• Sports and event staff
• Landscaping and grounds teams
• Sun-safety programs
• Bulk team and uniform orders

Care & quality notes

• Machine wash cold, inside out
• Tumble dry low
• Do not bleach
• Do not iron directly on decoration
• Do not dry clean

Stock availability
XS S M L XL 2XL 3XL 4XL
In stock Low stock Out of stock
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US-Based Production

Registered LLC, real US team

In-House Decoration

Embroidery, DTF & HTV on-site

No Minimum Order

Start from just 1 piece

Free Digitizing & Mockups

Artwork proof before production

1-5 Day Production*

Fast turnaround on stock colors

200+ Garment Colors

Widest selection for your brand

*1-3 day production for single items, 3-5 days for bulk orders (stock colors). Specialty colors may require 2-3 extra days before production starts.

Decoration Methods — What's Right for You?

Each method has unique strengths. Choose based on your design, fabric, and order size.

DTF Print
Direct-to-Film
Colors Unlimited · photorealistic
Best for Gradients, photos, complex logos
Feel Slight texture on fabric
Durability ★★★★☆

Ideal for full-color brand graphics, event prints, and designs with fine detail or gradients.

Embroidery
Thread stitching
Colors Up to 15 thread colors
Best for Logos, wordmarks, corporate look
Feel Raised, premium texture
Durability ★★★★★

The most durable decoration method. Logo digitizing included with every order.

Available thread colors:
White
Cream
Yellow
Gold
Orange
Red
Burgundy
Pink
Purple
Navy
Royal Blue
Forest
Brown
Gray
Black

More colors available — ask in your quote.

HTV Vinyl
Heat Transfer Vinyl
Colors 1–3 per design
Best for Names, numbers, bold logos
Feel Smooth, clean edge
Durability ★★★★☆

Bold, precise results for names, numbers, and solid-color logos. Any color available — no color matching issues. Perfect for sports teams, uniforms, and events.

Available vinyl types:
Standard
Matte / satin
Glitter ✨
Sparkle effect
Metallic
Gold · silver · chrome
Flock
Velvet texture
Glow-in-dark 🌙
Glows at night
Neon
Ultra-bright colors

Special vinyl types available on request — ask in your quote.

What our customers say

5.0 (19 reviews)