Note - Read safety leaflet carefully and ensure helmet is properly fitted before use. Fleece Lining - Extra warm and very comfortable Adjustable Head Strap - For maximum comfort and customised fit Air Vents - Vents allow air to circulate preventing condensation (Ref: 022340). Mountain Warehouse Men Pinnacle Ski Helmet Adjustable Straps Fleece Headgear.Fleece Lining - Extra warm, cosy and very comfortable. Adjustable Head Strap - For maximum comfort and customised fit. By signing up, you will. Mountain Warehouse has been offering quality outdoor clothing and equipment at the lowest prices since 1997. From hiking clothing and camping equipment to ski wear and running gear we stock everything you need for your outdoor activities.