Smartwool Cozy Mitten, Taupe Heather size S/M wool Available in unisex sizes S/M (7-8.5 inch hand size) and L/XL (9-10.5 inch hand size). Measure around flat hand at the knuckles; do not include thumb - and - measure from base of palm to end of middle finger. Use largest of the two measurements. Cushion knit with terry loop interior construction. 95% Merino Wool, 4% nylon, 1% elastane Marled yarns provide warm and inviting colors.