Good Luck Undies are the ultimate everyday essential. With breathable, moisture-wicking modal-viscose blend fabric and a comfortable fit, there's no pinching, sagging, or adjusting. Just simple underwear that will leave you feeling (and looking) good. SIZE GUIDE Size S M L XL XXL Waist (in) 29-31" 32-34" 36-38" 38-40" 41-44" Modal-Viscose blend is 3x softer than cotton Moisture-wicking material to eliminate clamminess and allow moisture to dissipate away from the skin Contour pouch with no fly for max support Chafe-free extra soft fabric with durable flatlock stitch to eliminate seams that can cause chafing in the first place Soft, flexible anti-roll waistband Shrink resistant material 5" inseam, 1 3/8" waistband Tagless waistband to provide a Premium Smoothness & Softness Natural no-odor, anti-microbial properties to help you through a tough day MADE FROM 47.5% Modal, 47.5% Viscose, 5% Spandex CARE INSTRUCTIONS Machine wash, cold (30°C / 86°F). Do not bleach or iron. To reduce damage and if you're feeling very fancy, line dry. They will last longer if you keep them out of the tumble dryer. Eat well. Exercise. Have an amazing day.