The Smartwool Women’s Classic Thermal Merino Base Layer Crew is crafted from 100% Merino wool for natural moisture management, odor resistance, and temperature regulation. Updated with new colors and an improved fit, this cold-weather essential features shoulder panels, raglan sleeves, and flatlock seams to reduce chafing and maximize comfort during skiing, hiking, climbing, or biking. Its slim fit follows the body’s contours for a tailored, performance-ready feel, making it one of the best women’s base layers for winter adventures.

Fit: Slim (follows body contours)

Fabric: 100% Merino Wool

Features:

• Fabric helps combine the moisture management, temperature regulation, and odor resistance of 100% Merino wool with interlock knit for comfort
• Back body seam wraps to front
• Raglan sleeves
• Flatlock seam construction designed to help increase comfort and minimize chafing

 

Women's Smartwool Apparel Size Chart

 

Size	XS	S	M	L	XL
Bust / Chest	32.5” 82.5 cm	34” 86 cm	36” 91.5 cm	39” 99 cm	42” 107 cm
Waist	26” 66 cm	27” 68.5 cm	30” 76 cm	34” 86 cm	38” 96.5 cm
Hip	35.5” 90 cm	37” 94 cm	39” 99 cm	42” 107 cm	45” 114 cm
Inseam	30” 76 cm	31” 78.5 cm	32” 81.5 cm	33” 84 cm	34” 86.5 cm
Arm Length	28” 71 cm	29” 73.5 cm	30” 76 cm	31” 78.5 cm	32” 81.5 cm