Sport-Tek LST420LS Women's Posi-UV Pro Long Sleeve | Wholesale Performance Tees

Sport-Tek LST420LS Women's Posi-UV Pro Long Sleeve Performance Tee – UPF 50 Sun Protection, Moisture Wicking Polyester Interlock for Screen Printing, Embroidery & Wholesale Blank Apparel Programs

The Sport-Tek LST420LS Women's Posi-UV Pro Long Sleeve delivers professional-grade sun protection and moisture management in a decoration-ready performance tee built for wholesale blank apparel programs. This women's long sleeve performance shirt combines UPF 50 sun protection with PosiCharge color-locking technology and moisture-wicking polyester interlock construction, making it ideal for screen printers, embroidery shops, team uniform programs, outdoor event merchandising, corporate wellness initiatives, and retail blank apparel resellers serving active lifestyle markets.

Key Product Specifications

• Fabric: 4-ounce, 100% polyester interlock with PosiCharge technology
• Sun Protection: UPF rating of 50
• Performance Features: Moisture wicking, PosiCharge color-locking technology
• Neckline: Higher neckline
• Sleeves: Set-in long sleeves
• Label: Tear-away label
• Finish: Soft matte hand
• Sizes: XS–4XL

Fabric & Construction Overview

The LST420LS is constructed from 4-ounce 100% polyester interlock knit engineered with Sport-Tek's PosiCharge technology, which locks in color at the molecular level to prevent dye migration and maintain vibrant color retention through repeated wash cycles and decoration processes. The interlock knit structure delivers a smooth surface on both sides of the fabric, creating dimensional stability that resists curling and maintains shape integrity during high-volume production runs. The soft matte hand provides a non-shiny finish that appeals to customers seeking performance functionality without technical fabric aesthetics, while the moisture-wicking properties pull perspiration away from skin to the fabric surface for rapid evaporation.

The UPF 50 sun protection rating blocks 98% of UV radiation, meeting the highest standard for sun-protective textiles and positioning this garment for outdoor recreation programs, resort wear merchandising, youth sports uniforms, and corporate wellness initiatives where sun safety is a program requirement. The higher neckline provides extended coverage compared to standard crew necks, and the set-in sleeve construction delivers a traditional fit profile that accommodates a wide range of body types across the XS through 4XL size range. The tear-away label allows for clean relabeling in private label programs and eliminates neck irritation for end users in athletic and active wear applications.

The 4-ounce fabric weight strikes a balance between breathability and opacity, providing sufficient coverage for activewear applications while maintaining the lightweight feel required for warm-weather performance apparel. The polyester interlock construction resists shrinkage and maintains dimensional stability through commercial laundering cycles, making this style suitable for uniform programs that require consistent sizing and appearance over extended service life.

Decoration Compatibility & Print Performance

The LST420LS accommodates screen printing, direct-to-film transfer, and embroidery decoration methods commonly used in wholesale blank apparel production. The smooth polyester interlock surface provides consistent ink adhesion for screen printing, while the PosiCharge technology prevents dye migration that can cause ghosting or color bleed-through in heat-applied decoration processes. The matte finish reduces surface sheen that can interfere with print clarity, and the fabric's dimensional stability maintains registration accuracy in multi-color screen print applications.

For embroidery decoration, the 4-ounce interlock knit provides sufficient fabric density to support standard embroidery thread weights without puckering or distortion, while the set-in sleeve construction creates natural decoration zones on the left chest, sleeves, and back that align with common placement specifications for team uniforms, corporate apparel, and event merchandising. The tear-away label eliminates the need to embroider over manufacturer branding in private label programs, and the higher neckline accommodates full-chest decoration layouts without interfering with the collar structure.

The moisture-wicking and UPF protection properties remain functional after decoration, allowing screen printers and embroidery shops to maintain the performance characteristics that drive customer selection in active wear and outdoor apparel categories. The PosiCharge color-locking technology ensures that decorated garments maintain color vibrancy and print clarity through repeated laundering, reducing customer service issues related to fading or color degradation in high-use applications.

Wholesale & Program Buying Advantages

The Sport-Tek LST420LS serves wholesale buyers operating in women's performance apparel, team uniforms, corporate wellness programs, outdoor recreation merchandising, and retail blank apparel categories where UPF sun protection and moisture management are customer requirements. The extended size range from XS through 4XL provides inventory depth for programs serving diverse customer demographics, while the PosiCharge color-locking technology reduces reorder complications related to color matching and dye lot variation across production runs.

For screen printers and embroidery shops, the LST420LS offers a women's-specific performance long sleeve option that pairs with the men's Sport-Tek ST420LSH Posi-UV Pro Long Sleeve Hoodie for coordinated team uniform programs and corporate apparel initiatives. The consistent fabric platform and decoration compatibility across Sport-Tek's Posi-UV Pro collection simplifies production planning and reduces setup time in multi-style decoration runs, while the tear-away label supports private label programs and custom branding initiatives without additional label removal labor.

The 4-ounce polyester interlock construction delivers wash-and-wear convenience that reduces garment care requirements in institutional uniform programs, youth sports leagues, and corporate apparel applications where laundering frequency and durability are program sustainability factors. The UPF 50 sun protection rating meets safety specifications for outdoor education programs, summer camp merchandising, and resort wear applications where sun safety is a documented program requirement, while the moisture-wicking properties address performance expectations in active wear and athletic uniform categories.

Joe's USA maintains inventory depth across Sport-Tek's Posi-UV Pro collection to support rapid turnaround requirements in seasonal decoration programs, event merchandising, and rush uniform orders where lead time compression is a competitive advantage. The LST420LS ships from multiple warehouse locations to reduce transit time and freight costs for regional screen printers and embroidery shops serving local team sports, corporate apparel, and retail blank apparel markets.

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