Boa H3 Coiler Closure System: Offers micro-adjustability for dialing in the perfect balance of flex and support; Anatomical 3D Tongue Shape: Conforms to the shape of your leg for long-lasting comfort; Unilite Outsole: Provides essential durability, dampening and cushioning while drastically reducing weight; Tread Pattern: For secure ascent and descent and features a snow-shedding design to prevent snow build-up; Red Liner: Multi-layer construction with EVA memory foam and a thermal fleece lining for comfort and warmth; Snow Basic Insole: Die-cut EVA for comfort and durability with a moisture wicking cloth layer; :: Women > Snowboard Boots Size: UK 06.