Details, Size & Fit. Recommended for training and yoga. The Trainer Shorts from The Upside are made from a four-way stretch fabric. Adjust The drawstring waistband for your perfect fit. Ourmodel. iswearing size medium shorts, and usually takes a size medium/32 pants. He is 6’1” (186cm)tall with a 39” (99cm) chest and a 33” (84cm) waist. ?- Length: 44cm Regular fit Four-way stretch fabric Elasticised waistband; internal drawstring Zipped back pocket Lining with quick-drying properties Logo print near Thehemline. Machine wash cold. Low iron. fabric / material: NA.Materials: 91% Polyester & 9% Elastane.SKU: TH135SA77IEO.