Sports Basement Men's Single Layer Crewneck 1-Person Hollow pin

Hollow pin

More precise tooling eliminates wasted space between folded layers

Super Low Neck: No Interference with Wetsuit Neck

Fully customizable: With the Coreframe 360

The adjustable VaporFit system provides a customized fit

Sports Basement Men's Single Layer Crewneck 1-Person Hollow pinThe Sports Basement Single Layer Crewneck is your standard, dependable thermal underwear. Originally designed with the working professional in mind as a warm base layer, this base layer shirt features Acclimate Dry polyester fibers, which work to transport moisture away from the skin as you go about your day. This crew neck thermal features a flat seam construction for seam strength, durability, and longevity and a relaxed fit for everyday comfortable