Over 60 Million Items Sold Since 1986 | A USA Family Owned Company

Join 10,000+ Businesses Saving Big On Wholesale Apparel Login For Your Price

Now Offering Custom Decoration! Request A Quote Today

Login For Bulk Discount Pricing On Select Brands

🎨 Now Offering Custom Embroidery & More!

Get A Quote
1 7
Sport-Tek

Sport-Tek ST520LS Posi-UV Pro Long Sleeve Polo

(1)
$16.98
Color Black
Size

Login For Your Price

Custom Decoration Available

Want us to decorate this item with your design?
Submit a Quote Today!

Description

Wholesale Sport-Tek ST520LS Posi-UV Pro Long Sleeve Performance Polo with UPF 50 Sun Protection and Moisture Wicking Technology for Screen Print and Embroidery Programs

The Sport-Tek ST520LS Posi-UV Pro Long Sleeve Polo delivers professional-grade performance fabric engineering in a decoration-ready silhouette built for uniform programs, corporate apparel initiatives, outdoor event staff, and high-volume team orders. Constructed from 4-ounce 100% polyester interlock with integrated PosiCharge technology and a certified UPF 50 rating, this long sleeve polo combines moisture management, color retention, and sun protection in a platform designed for consistent decoration results across screen printing and embroidery applications. With a self-fabric collar, three-button placket, and set-in open hem sleeves, the ST520LS provides a refined professional appearance while maintaining the technical performance characteristics required for active wear programs, outdoor hospitality uniforms, recreation staff apparel, and branded merchandise collections where durability and washability drive reorder decisions.


Key Product Specifications

  • Style Number: Sport-Tek ST520LS
  • Fabric: 4-ounce, 100% polyester interlock with PosiCharge technology
  • Weight: 4-ounce fabric
  • Features: Moisture wicking, UPF 50 sun protection, PosiCharge color-locking technology, soft matte hand
  • Construction: Removable tag for relabeling, self-fabric collar with collar stand, taped neck, 3-button placket with dyed-to-match buttons, set-in open hem sleeves
  • Sizes: XS through 4XL

Fabric & Construction Overview

The ST520LS is engineered with a 4-ounce 100% polyester interlock knit that balances lightweight breathability with structural integrity for professional wear environments. The interlock construction creates a smooth surface on both sides of the fabric, eliminating the texture differential found in jersey knits and providing a consistent hand feel that translates to predictable decoration adhesion and uniform appearance across large order quantities. PosiCharge technology is molecularly integrated into the yarn structure to lock pigment at the fiber level, preventing dye migration during washing and maintaining color vibrancy through repeated laundry cycles common in uniform rotation programs.

Moisture wicking functionality is built into the fiber architecture, pulling perspiration away from skin contact points and dispersing it across the fabric surface for accelerated evaporation. This performance characteristic makes the ST520LS suitable for outdoor event staff, grounds crew uniforms, recreation department apparel, and any application where extended wear in warm conditions requires active moisture management. The UPF 50 certification provides quantifiable sun protection, blocking 98% of UV radiation and positioning this polo as a functional choice for golf course staff, marina personnel, outdoor hospitality teams, and park service programs where sun exposure is an occupational consideration.

The self-fabric collar with integrated collar stand maintains structure without requiring fusible interfacing, reducing stiffness while preserving a professional neckline appearance. The taped neck seam eliminates exposed stitching against skin and reinforces the shoulder junction for extended garment life under frequent washing. The three-button placket features dyed-to-match buttons that maintain color coordination across the garment, and the set-in open hem sleeves provide unrestricted arm movement without the bulk of ribbed cuffs. The removable tag allows for clean relabeling in private label programs and custom branding initiatives.

Decoration Compatibility & Print Performance

The 4-ounce polyester interlock construction of the ST520LS provides a stable, low-texture surface that accommodates multiple decoration methods with predictable results. Screen printing adheres cleanly to the smooth interlock face, with plastisol and water-based inks both achieving solid coverage without significant dot gain or ink spread. The PosiCharge treatment does not interfere with ink adhesion, and the moisture-wicking finish is compatible with standard curing temperatures. Left chest logo placements, full back designs, and sleeve prints all register consistently across the fabric plane.

Embroidery digitizing for the ST520LS benefits from the fabric's dimensional stability and moderate stretch recovery. The interlock knit resists puckering around dense stitch areas when proper backing and tension settings are applied, and the collar stand provides a firm foundation for left chest monograms without requiring additional stabilization in most standard logo applications. The self-fabric collar maintains its shape through the hooping and stitching process, making this polo a reliable choice for corporate uniform programs where embroidered branding is the standard decoration method.

Direct-to-film (DTF) transfers bond effectively to the polyester surface, with the smooth interlock texture allowing for clean edge definition and vibrant color reproduction. The moisture-wicking properties do not create adhesion issues when proper heat press time and pressure settings are used. Heat transfer vinyl also performs well on this fabric, particularly for number and name personalization in team and league uniform applications. The color-locking PosiCharge technology ensures that the base garment color remains stable and does not bleed into lighter transfer materials during heat application.

Decoration shops appreciate the ST520LS for its consistency across production runs. The fabric weight and hand feel remain uniform from lot to lot, reducing the need for press setting adjustments between reorders. The removable tag simplifies the relabeling process for contract decorators and private label brands, and the wide size range from XS through 4XL allows for complete program coverage without requiring multiple style substitutions.

Wholesale & Program Buying Advantages

The Sport-Tek ST520LS is positioned as a program-grade performance polo for buyers managing recurring uniform needs, seasonal staff apparel orders, and multi-location branding initiatives. The combination of technical fabric performance and professional styling makes this long sleeve polo suitable for corporate sales teams, hospitality front-line staff, outdoor recreation programs, and branded merchandise collections where garment longevity and wash durability justify the investment in performance fabric technology.

Wholesale pricing on the ST520LS supports budget planning for large-scale uniform rollouts, with volume tier pricing available for orders spanning multiple locations or seasonal hiring cycles. The style's availability in extended sizes through 4XL reduces the need for alternate style sourcing to accommodate full staff rosters, and the consistent sizing across the Sport-Tek line allows for simplified reorder processes when staff turnover requires replacement garments. The UPF 50 rating provides a documented performance specification that can be referenced in procurement requirements for outdoor worker apparel programs.

Reorder reliability is a key consideration for program buyers, and the ST520LS maintains its position in the Sport-Tek core line with stable color offerings and consistent fabric specifications across production cycles. This continuity allows uniform program managers to add new hires to existing apparel programs without visible garment variation, and it supports phased rollout strategies where initial pilot programs are expanded based on performance results. The PosiCharge color-locking technology extends the usable life of decorated garments by preventing the fading and discoloration that typically drives premature uniform replacement.

The moisture-wicking and quick-dry properties of the ST520LS reduce the number of garments required per employee in rotation-based uniform programs, as the fabric's performance characteristics allow for overnight laundering and next-day wear without extended drying time. This efficiency translates to lower total program costs when calculated on a per-employee basis over the annual uniform budget cycle. Schools, camps, recreation departments, and event staffing companies benefit from this operational advantage when managing seasonal apparel inventories.

Shop More Sport-Tek Apparel

Related Collections