Sleeping booties made with windproof and water-repellent outer material. These lightweight, packable, compact down boots offer excellent heat retention and quick-drying properties. Recommended for tent camping and car camping in cold seasons. Material: Fabric / Pertex Quantum Ripstop 100%, Insulation / PrimaLoft Gold 160g Size (approximate): XS / approx. 24cm, S / approx. 26cm, M / approx. 28cm Weight: approx. 166g Color: Navy Blue Size: S (approx. 26cm) Used only once for winter tent camping. Thank you.