Vintage Fit Comparison:

Tagged Men’s Medium (38–40 chest). This is true vintage sizing and fits slightly slimmer and shorter than most modern Mediums. Comparable to a modern Small–Medium, depending on desired layering fit.

📏 ACTUAL MEASUREMENTS (Unwashed / NWOT)

• Chest (pit to pit): 14.5” (approx. 29” chest)

• Sleeve: 20”

• Length: 28”

📌 Measurements taken flat. Garment has not been washed and may relax/stretch slightly with wear.

Tagged Men’s Medium (38–40) with true vintage base-layer sizing.

Due to unwashed condition and intended thermal use, this piece fits very slim compared to modern standards.

Best compared to a modern Men’s XS–Small or worn as a compression-style thermal.

➡️ Please rely on the actual measurements above for best fit.

Designed as a base layer thermal, so the fit is closer to the body than a standard long-sleeve shirt.

Vintage unbranded military-style waffle knit thermal long sleeve shirt.

Made in the USA from 100% cotton with a deep honeycomb waffle weave designed for insulation and breathability. Classic utility base-layer construction inspired by U.S. military cold-weather underwear.

Features chest-based vintage sizing (Men’s Medium 38–40), wide ribbed collar, and heavyweight knit not found on modern thermals. Clean, minimal private-label tag (RN 14219) typical of military-spec and workwear production from the 1970s–1980s.

Ideal for layering, heritage workwear, or vintage military-inspired outfits.

vintage waffle thermal

military style thermal shirt

made in usa thermal

deep waffle knit

vintage base layer

cold weather thermal

heritage workwear

utility underwear