Stylish with their two-tone fabric styling, but also super-efficient at keeping wet and windy weather out and the warmth in, these womens Heat Holders Sierra Performance Mittens protect hands while keeping them cosy.  Designed with a dual-layer insulating system, as well as a waterproof, wind-resistant outer, these mittens are reliably capable. The weather-defying outer is enhanced with non-slip palm grips, while the thermal cavity between the outer fabric and inner, plush-finished HeatWeaver lining is filled with Thinsulate insulation and polyester padding. HeatWeaver fur-effect fabric, besides its great next-to-skin feel, is created to trap warm air in its fibres to keep your hands warmer for longer. Easy to use single-hand wrist/cuff adjusters provide a secure seal against the elements, and tethered cord-locks are included to fastened the mittens together when not in use. Heat Holders in partnership with Scleroderma & Raynaud's UK. SRUK is the only UK Charity dedicated to improvin