A classic double-seated design, the BIR team rowing trou is constructed of heavy-weight Dryflex Poly Spandex with SewSporty flatseam at center and leg seams to ensure a snug, comfortable fit unlike any other short. The BIR trou is designed to stand up to season after season of rigorous training and repeat washing without losing elasticity and soft feel. A true competition-grade trou trusted by the BIR and teams across the country.