Port Authority K540LS Silk Touch Performance Long Sleeve Polo | Wholesale

Port Authority K540LS | Silk Touch Performance Long Sleeve Polo | Adult Wholesale Blank for Year-Round Uniform Programs & Decoration

The Port Authority K540LS Silk Touch Performance Long Sleeve Polo takes the legendary Silk Touch performance fabric and extends it into a long sleeve silhouette built for year-round uniform programs, cool-weather corporate apparel, and staff identification applications that need full-arm coverage. Built from 4-ounce 100% polyester double knit with PosiCharge color-locking technology, the K540LS wicks moisture, resists snags, and holds its color through repeated laundering — delivering a professional appearance that lasts across the full lifecycle of a uniform program. Available in adult XS through 4XL across 8 colors, the K540LS is the long sleeve counterpart to the Port Authority K540 Silk Touch Performance Polo, making it easy to build unified short-and-long-sleeve uniform programs from a single fabric family. For a classic pique alternative, the K500 Silk Touch Polo offers a 65/35 poly-cotton blend in a short sleeve silhouette.

Key Product Specifications — Port Authority K540LS

• Style Number: Port Authority K540LS
• Fabric Weight: 4 oz (White: 4.3 oz for increased coverage)
• Material: 100% polyester double knit with PosiCharge technology
• Adult Sizes: XS, S, M, L, XL, 2XL, 3XL, 4XL
• Colors: Black, Brilliant Blue, Carolina Blue, Navy, Red, Royal, Steel Grey, White
• Performance Features: PosiCharge color-locking, moisture-wicking, snag resistance
• Construction: Self-fabric collar, tag-free label, 3-button placket with dyed-to-match buttons, open hem sleeves
• Decoration: Embroidery, heat transfer, DTF compatible; use PosiCharge-compatible inks for screen print

PosiCharge Technology & Fabric Performance

The K540LS is built on the same 4-ounce 100% polyester double knit foundation as the short sleeve K540, with PosiCharge technology engineered into the fabric to lock color during laundering. PosiCharge works by using a positive charge in the fabric to attract and hold dye molecules, preventing the color fading and washout that undermines the professional appearance of conventional polyester polos over time. This color-locking performance is particularly valuable for uniform programs that launder garments frequently — the K540LS maintains consistent color saturation across the full size run throughout the program lifecycle.

Moisture-wicking construction actively moves perspiration away from the skin to the fabric surface where it can evaporate quickly, keeping wearers comfortable during active tasks and variable weather conditions. Snag resistance is engineered into the double knit structure to withstand contact with equipment, shelving, and workplace surfaces that damage conventional polo fabrics. The tag-free label eliminates the irritation that undermines all-day uniform compliance, and the self-fabric collar maintains its shape through repeated laundering without curling or distorting. Buyers sourcing Port Authority performance polos wholesale will find the K540LS consistently available across all 8 colors in the full adult size run.

Decoration Compatibility — K540LS Embroidery & Heat Transfer

The Port Authority K540LS accepts all major decoration methods used in the wholesale apparel industry. The 100% polyester double knit surface is fully compatible with embroidery, heat transfer, and direct-to-film transfers. The self-fabric collar provides a stable base for embroidery near the placket without puckering, and the long sleeve construction creates additional decoration real estate on the sleeve for team numbers, individual names, or secondary logo placement.

Screen printers working with the K540LS should use PosiCharge-compatible inks to prevent dye migration on the 100% polyester construction — this is especially important for light-colored ink on dark garments. The tag-free label means no label removal is required before decoration, saving time in high-volume decorator workflows. For programs needing a short sleeve performance counterpart, the K540 Silk Touch Performance Polo uses the same PosiCharge fabric. For a colorblock performance option, the K524 Dry Zone Colorblock Ottoman Polo adds visual differentiation. For a cotton-like performance hand feel, the K568 Cotton Touch Performance Polo is a strong alternative. For a tall size run, the TLK540 Tall Silk Touch Performance Polo extends the Silk Touch family into tall sizing.

Wholesale & Program Buying Advantages

Uniform program coordinators and corporate apparel buyers choose the K540LS for year-round programs that need long sleeve coverage without sacrificing the performance characteristics of the Silk Touch fabric family. The long sleeve silhouette is particularly valuable for outdoor staff, hospitality programs in cooler climates, and corporate environments where a more formal, covered appearance is preferred or required by dress code.

The K540LS pairs directly with the short sleeve K540 and the interlock K5200 Silk Touch Interlock Performance Polo to build a complete Silk Touch uniform system across sleeve lengths and fabric constructions. The 8-color palette covers the most common corporate brand color combinations, and the full size run from XS through 4XL ensures the K540LS can outfit entire organizations. For programs needing a fine jacquard texture, the K528 Performance Fine Jacquard Polo is a premium alternative. Joe's USA offers volume pricing tiers and fast shipping from multiple warehouse locations to support program rollouts and ongoing replenishment orders.

Shop More Port Authority Silk Touch & Performance Polos

Quick-link: K540 | K500 | K5200 | K528 | K568 | K524 | TLK540 | K398

• Port Authority K540 Silk Touch Performance Polo — short sleeve PosiCharge counterpart
• Port Authority K500 Silk Touch Polo — 65/35 poly-cotton Silk Touch classic
• Port Authority K5200 Silk Touch Interlock Performance Polo — interlock construction with Silk Touch feel
• Port Authority K528 Performance Fine Jacquard Polo — textured jacquard performance fabric
• Port Authority K568 Cotton Touch Performance Polo — cotton-like performance hand feel
• Port Authority K524 Dry Zone Colorblock Ottoman Polo — colorblock performance polo
• Port Authority TLK540 Tall Silk Touch Performance Polo — tall sizing Silk Touch performance polo
• Port Authority K398 Performance Staff Polo — staff uniform performance polo

Related Collections

• Port Authority Wholesale Apparel — complete Port Authority product line at Joe's USA
• Port Authority Polos — full wholesale polo shirt selection
• Port Authority Performance Polos — wholesale moisture-wicking performance polos