AI Tech Pack Example: Premium Basic T-Shirt

This premium basic t-shirt targets the elevated essentials market, positioning against brands like Sunspel, Lady White Co., and ASKET. The design philosophy emphasizes invisible quality: the garment should look simple while feeling exceptional. Every specification choice prioritizes hand feel, fit retention after repeated washing, and construction durability that justifies a premium retail price.

The silhouette is a crew neck with a regular fit that follows the body without compression. The body length sits at the mid-hip, long enough to stay tucked but not so long that it bunches when worn untucked. The sleeve length hits at mid-bicep with a natural taper that avoids both the boxy appearance of too-wide sleeves and the athletic compression of too-narrow cuts.

The body fabric is a 200 GSM single jersey knit composed of 100% long-staple Supima cotton. Supima cotton's extra-long staple fibers produce a smoother yarn surface and superior pilling resistance compared to conventional cotton, with measurably improved softness that becomes more pronounced after each wash cycle. The single jersey construction is knitted on a 40-gauge circular knitting machine to achieve a tight, even loop structure that provides opacity without excessive weight.

The fabric undergoes a bio-polish enzyme treatment to remove surface fibers and reduce future pilling, followed by a silicone softener application that enhances the initial hand feel without compromising moisture absorption. Pre-shrinkage treatment using compactor processing reduces post-wash shrinkage to below two percent in both directions, ensuring the garment maintains its intended fit dimensions throughout its lifecycle.

Measurements are flat measurements in centimeters with plus or minus 0.5 centimeter tolerance for critical fit points including chest, body length, and neck opening. All other measurements carry plus or minus one centimeter tolerance. Grading increments are 2 centimeters for circumference measurements and 1.5 centimeters for length between adjacent sizes.

The collar is the single most important quality indicator on a basic t-shirt, and this specification uses a set-in ribbed collar that resists stretching and maintains its shape after hundreds of wash cycles. The collar rib is a 1x1 rib knit at 280 GSM, composed of the same Supima cotton as the body but with a tighter gauge to create firm elasticity. The rib is cut at 2 centimeters finished height and sewn with a four-needle coverstitch that distributes tension evenly across the attachment seam.

A cotton twill neck tape measuring 1 centimeter wide is sewn over the collar attachment seam on the inside face, covering the raw seam allowance and reinforcing the neckline against stretch. The tape is attached with a single-needle lockstitch that sits flat against the skin, preventing irritation. The collar is set with a slight tension ratio of 90 percent, meaning the collar is cut 10 percent shorter than the neck opening to create a clean, flat collar lay without rippling.

Side seams are sewn with a four-thread overlock at 14 stitches per inch using cotton-wrapped polyester core thread. The higher stitch count compared to the hoodie example reflects the lighter fabric weight, which requires closer stitch spacing to prevent seam grinning under stretch. The hem is finished with a 2.5 centimeter single-fold turn secured with a twin-needle coverstitch at 8 stitches per inch, creating two parallel visible stitch lines on the exterior that serve as a subtle quality detail.

Sleeves are set-in construction with the sleeve cap eased into the armhole for a smooth, rounded shoulder line. Sleeve hems match the body hem with a 2 centimeter single-fold turn and twin-needle coverstitch. The shoulder seam includes a 1 centimeter cotton twill tape reinforcement to prevent hanger distortion during retail display and wardrobe storage.

The finished garment undergoes a final steam press to set the silhouette and eliminate any creasing from the sewing process. Each garment is inspected against the approved production sample for color consistency, measurement accuracy at three key points (chest, length, shoulder), and construction defect identification. The AQL inspection standard is set at 2.5 for critical defects and 4.0 for minor defects.

Packaging specifications include individual poly bag with a suffocation warning, tissue paper collar insert to maintain collar shape during transit, and a cardboard backer for retail presentations. Size stickers are applied to the outside of the poly bag for warehouse picking efficiency. Carton packing follows a size ratio assortment agreed upon per purchase order, with a maximum carton weight of 15 kilograms.

Skema3D generated this complete tech pack from a prompt describing a premium Supima cotton crew neck t-shirt for the elevated basics market. The AI selected fabric specifications, construction details, and measurement proportions appropriate for the described quality level and market positioning. The generated 3D render displayed the silhouette from front, back, and side views, confirming the relaxed regular fit, collar proportion, and sleeve length before the specification details were finalized.

Every field in the tech pack is editable. If a designer prefers a tubular body construction over side-seam construction, that change can be specified and the AI will adjust related specifications including stitch type recommendations and measurement points accordingly. This flexibility ensures the AI-generated first draft accelerates the tech pack process without constraining the designer's final choices.