Women's GTX Storm Mitt_Medium SHELL: 10K / 10K waterproof-breathable polyester with CLUTCH® synthetic leather trim INSERT: Waterproof, windproof, breathable GORE-TEX® INSULATION: Megaloft® synthetic with moisture-wicking lining CUFF: Gauntlet with drawcord closure and wrist strap FEATURES: Enhanced grip, handwarmer pocket, nose wipe, leash SOURCING STANDARD: Shell and insert are bluesign® APPROVED