Lightweight and highly ventilating pro-grade stretch running shorts for intense workouts on hot summer days. Perforated back yoke, split side seam, inner briefs in polyester mesh and taped bottom hem. Shell fabric in polyester stretch. Inner brief in polyester mesh. Split side seam for freedom of movement. Taped hem at bottom legs to avoid chafing. Elastic waistband. Small pocket at inside waistband. Perforated back yoke for ventilation. Reflective details.