A comfortable underwear bottom for everyday wear, the Siren Hipkini is made from our ultra-lightweight corespun merino jersey with a touch of elastane for stretch.Features:- Merino Corespun merino blend helps regulates body temperature in all weather conditionsSpecifications:- Fabric main: Merino Jersey Corespun, 83% Merino Wool, 12% Nylon, 5% Elastane- Fiber micron: 18.9µ