Oboz Thermal Trail Insole Orange Extra Small. Our new Thermal Trail Insole has all the comfort and protection of the Trail Hike Insole with the addition of Solarcore thermal insulation. Developed for NASA Solarcore's Aerogel technology uses trapped air to provide unparalleled thermal performance. Specifications for Oboz Thermal Trail Insole: Manufacturer: Oboz Gender: Unisex Age Group: Adults Men's Shoe Width: Medium Footwear Type: Insoles Weight: 1 oz Package Contents: Oboz Thermal Trail Insole Oboz 100008-302-XS: Thermal Trail Insole Orange Extra Small