excellent used condition Details This assortment serves as your WOFs (Without Fails) and are designed to create space in your wardrobe for creativity and experimentation. No matter how extreme your closet may become, these pieces serve as the grounding element that ties everything together. The Calder Sweatpants are crafted in a custom Portuguese cotton blend with the signature Tibi sculpted ankle. These sweatpants are refined enough to be worn with elevated separates and footwear as an alternate option to your trousers.