Flex Trunk Black

The trunk that stays cool. Square cut, short leg, full airflow. The Flex Trunk takes the most wearable silhouette in underwear and knits it in breathable cotton-modal mesh — a compact 3" inseam that stays cool and never bunches. Fabric 57% Cotton, 38% Modal, 5% Elastane. Airy mesh knit with 4-way stretch — modal makes it softer than plain cotton, and the mesh keeps air moving against the skin. Fit…