Keep your feet warm and dry with these LANACare soft and soothing organic woolen insoles. Slip them in your shoes/boots and you'll feel like you're walking on a cloud! They absorb moisture and keep shoes odor-free, naturally. Insulate from cold and dampness, to keep feet warm & dry. Silicon non-skid strip keeps insoles in place inside shoes/boots. Made of soothingly soft KbT-certified organic merino wool, meeting Europe’s highest standards for organic textiles. Gives warmth, yet breathes to maintain comfortable temperature. Wool absorbs moisture, keeping you dry, warm and comfortable. When it does begin to feel wet, it remains warm. As wool absorbs moisture & dries, its natural lanolin content removes bacteria & odors, for easy-care. Wash occasionally in LANACare Lanolin-Replenishing Soap to maintain hygienic effects and to keep wool feeling soft & supple. Care Instructions. | European shoe size chart.