Details, Size & Fit. Recommended for training. The Panel Line Muscle Tank from The Upsideis The perfect workout tee. Crafted from dri-release fabric, with its super soft and breathable properties, The black tank dries four times faster than cotton and helps to control body odour. Ourmodel. iswearing a size medium tank, and usually takes a size medium/40 shirt. He is 6’0” (183cm) tall with a 42”(107 cm) chest anda 32”(81 cm) waist. Length: 79cm Straight fit Breathable, super soft, dri release fabric Moisture wicking Black shade Crew neckline Placement print stripes Small logo on The side Stepped hemline.Cold machine wash. fabric / material: NA.Materials: 85% Polyester & 15% Cotton.SKU: TH135SA00PLB.