Big League Heavyweight T-Shirt

Story

Built from a custom-developed jersey fabric, and nearly double the weight of a standard tee

The Big League Heavyweight T-Shirt is the culmination of a relentless search for the perfect jersey. Produced in Portugal using a custom-developed fabric, this shirt is nearly double the weight of a standard tee, offering a substantial, structural drape. The secret lies in the long-staple, dual ring-spun, and combed cotton yarn, which balances incredible softness with rugged durability. Finished with a double-needle mounted collar inspired by vintage sportswear, it’s a modern masterpiece designed to be the cornerstone of your wardrobe for years to come.

Features

• Custom-developed 10oz jersey provides a thick, premium feel and a structured silhouette
• Dual ring-spun and combed cotton yarn ensures long-lasting softness and strength
• Double-needle mounted collar construction pays homage to iconic vintage athletic wear
• Tightly knitted construction allows the fabric to drape perfectly without losing its shape
• Pre-shrunk finish ensures the fit remains consistent after every wash

Sizing

• The Big League Heavyweight T-Shirt fits true to size. Take your usual t-shirt size.
• For the best personal fit, compare the measurements of one of your best-fitting shirts to the garment measurements below

Garment Measurements

	S	M	L	XL	XXL
Chest	40½	43	44½	46	47½
Body Length	26¼	27	28	28½	29¼

All measurements are in inches.

How to Measure - Chest: Measure straight across from edge to edge, starting 1" below the armhole, multiply by 2 - Body Length: Start at the top of the shoulder where it meets the neck seam, and measure straight down to the hem

Materials & Care

• Body: 100% Cotton (10oz Heavyweight Jersey)
• Fabric Origin: Portugal
• Country of Origin: Portugal
• Wash on cold, tumble dry on low

About

When Knickerbocker started, heads turned and many legends in the apparel business took quick notice of what they were doing: crafting well-designed pieces that elevate any outfit without hassle. The formula might be boiled down to a few words, but that doesn’t mean it was simple—the planning, hustle, and execution for each piece is meticulously considered, allowing their apparel to stand out among the rest. Their humble start in Queens led to the worldwide notoriety that we see today—so cheers to that, and cheers to many more years of premium garments.