Unexpected mood swings (headphones in, people out) and a hunger that means you inhale everything within reach - yep, it's that time of the month. You've got enough to be getting on with without worrying about sanitary products Thinx has the solution with these stretch jersey training shorts. This pair is made from organic cotton to feel cozy and cute - and period proof! Thinx stretch jersey period training shorts. Mid rise. Elasticated waistband. Mesh panels at side. Zipped pockets at sides. Tonal stitching. Slips on. Fabric: Main: 89% nylon, 11% elastane. Gusset: 95% cotton, 5% elastane. Lightweight, slight stretch. Size & Fit: True to size. Cut to a fitted silhouette. Care: Machine wash cold, then line dry.