Offering superior warmth and comfort for hardworking legs, the combination of 185gsm Nuyarn merino fabric technology and engineered seams and eyelet placement in the Women's Flatiron 185 Leggings offers incredible stretch, recovery and durability. They delivery unmatched warmth with no added weight. Australian merino wool and an Easy Fit style offers a modern fit with full coverage that's super-soft against the skin. Womens Flatiron 185 Leggings