Superfeet merinoGREY Insoles combine the natural thermoregulating properties of merino wool with the shape of Superfeet Green for all-season comfort and support.

• Shape and design maximizes support in outdoor, athletic, or casual footwear with removable insoles
• Cozy, breathable merino wool top cover (90% merino wool) regulates temperature, naturally wicks moisture away from feet, and resists odor
• Merino wool top cover lays over supportive Foundation foam and Encapsulating Stabilizer System (ESS)—you’re supported, aligned, and comfortable
• Deep heel cup and Encapsulating Stabilizer System (ESS) support rear foot for maximum shock absorption
• Durable and lightweight external polypropylene support cap—3/4 length provides optimum control
• Lightweight closed-cell foam top layer is comfortable and extremely durable
• Anatomically correct arch shape offers comfortable support
• Unique design provides independent metatarsal support and added flexibility
• Extra cushion window at forefoot adds comfort and shock absorption
• Heel pain is reduced; knees, hips, and back are more relaxed; shoes fit more comfortably
• Ideal for feet with medium to high arches
• Recommended footwear: hiking, walking, ski, snowboard, roomy sportsman, industrial, casual, or military boots and shoes
• Men's U.S. shoe sizes: C (5.5 - 7); D (7.5 - 9); E (9.5 - 11); F (11.5 - 13); G (13.5 - 15)
• Women's U.S. shoe sizes: B (4.5 - 6); C (6.5 - 8); D (8.5 - 10); E (10.5 - 12)