optstuff VENTILABLE SWEAT PANTS Color: D.GRAY MOKU Size: L Excellent condition, worn about 5 times. Won online lottery. COTTON 100% Sweatpants with the Opt Classic logo embroidered, sold by lottery. The waist features flat elastic and a drawcord for easy wear. Equipped with a ventilation mechanism on the inside. The hem has a spindle, allowing for various styles of wear, from trouser-like to a more typical ribbed sweatpant look, accommodating various shoes.