Flag Day Daily Bulletin Horse Pilot X Aerotech Mens Hunter Riding Breeches. Summer riding breeches in lightweight, breathable bi stretch fabric perfect for training in warm conditions. Laser perforations on the body's heat zones for improved airflow: lower back, back of the knees, and outer thighs. Mesh panels inside the waistband and along the calves for enhanced breathability. Knee grip for a secure seat in the saddle.