99extra Underwear,11 Color Men's Silvery Wide Belt Cotton Skinny Boxer Briefs 95% Cotton/5% Spandex Imported * Cotton is hypoallergenic and dust-mite resistant, is the best choice of material for people who suffer from asthma or allergies, or those who have sensitive skin prone to irritation * Skinny design, fully show your figure curve * For first washing, dark color cotton products maybe will let washing water slight discolored, it is normally, will not affect the appearance of the product and quality * Separate lights from darks, and wash separately, benefit to keep colors bright * Doctor advised, a underwear don't use more than 6 months, it will become very dirty although you repeated wash it