Icebreaker merino wool sprite racerback bra Size M Plum color Can take padded inserts, but pads are not included Fabric tag has been removed; see specs from website product description below GUC - worn, but no flaws, an elastic still has good stretch Fabric: Merino Corespun - durable merino blend regulates body temperature in all weather conditions: 83% Merino Wool/ 12% Nylon/ 5% Elastane; 150 weight (ultralight)