Polo Ralph Lauren Underwear, Signature Knit Cotton Boxer

Fit: Loose--Generous cut for ultimate comfort and ease of layering.

Performance Technology: Under Armour® HeatGear® --For when it's hot. HeatGear® technology wicks perspiration off your skin, rather than absorbing it. It's engineered with UA's Moisture Transport System to deliver core temperature regulation and maximum breathability.

Ventilation--Mesh or breathable fabric inserts in high heat zones allow sweat to evaporate and cool air to circ ...

Fit: Fitted--Close-to-body, contoured fit for maximum performance.

Performance Technology: Under Armour® HeatGear® --For when it's hot. HeatGear® technology wicks perspiration off your skin, rather than absorbing it. It's engineered with UA's Moisture Transport System to deliver core temperature regulation and maximum breathability.

Anti-Microbial--Anti-microbial treatments provide permanent odor protection by inhibiting the growth of bacteria ...

"Cotton shorts with subtle signature stripe piping and a hint of stretch for added comfort.Elastic waistInseam, about 2""72% polyamide/28% elastaneMachine washImported"

Ultra Lightweight Heatgear fabric - has a subtle mesh texture and an incredibly soft feel.

Superior Moisture Transport system - wicks sweat away from the body so you stay cool on your run.

Anti-Odor Technology - prevents the growth of odor causing microbes, keeping your gear fresher, longer

Regular Fit - Design to sit loosely on the skin

Heatgear - For when it's hot. Keeping athletes cool and dry. Lightweight, high-performance fab ...