Back in 1996, we invented the baselayer—and we've been perfecting it ever since. It took 37 prototypes and endless hours of testing to create the right light, tight layer that wicks sweat, dries fast, and keeps you cool.

• HeatGear® fabric is ultra-soft & smooth for extreme comfort with very little weight

• Strategic mesh panels for added ventilation where you need it

• 4-way stretch material moves better in every direction

• Material wicks sweat & dries really fast

• Ergonomic flatlock seams for added comfort & mobility

• Odor control technology minimizes odor

• Body: 90% Polyester/10% Elastane

• Mesh: 92% Polyester/8% Elastane