Smartwool has updated the fit of their Women's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of Smartwool's heaviest base layer tops and one of their best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as keep you comfortable and temperature regulated as you enjoy high-intensity skiing, hiking, running, and more.PRODUCT FEATURES:*Flatlock seam construction designed to minimize chafing*8" (20 cm) center front zip with semi-locking slider*Knit in China: 100% Merino WoolGarment Weight: 236 g = 8.32 oz *Slim Fit *100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance *Fit updated to improve functionality while enhancing aesthetics for a range of body shapes *Back body seam wraps to front for body-enhancing fit *Crew neck with raglan sleeves Smartwool Women's Classic Thermal Merino Base Layer 1/4 Zip TopSW016373