The Oxford Deluxe Balaclava Is Available In A Range Of Materials For Your Comfort And Preference.key Features• Comfortable Flat-lock Seams• 4-way Stretch Material• Long, Sculpted Shape At Front & Rear (micro Fleece & Micro Fibre Only)• Extra Ventilation For Nose & Mouth (micro Fleece & Micro Fibre Only)• Available In Silk, Merino, Micro Fleece, Micro Fibre