\\【S】Size, last one! // Thank you for viewing. This is a 【Silicone-Attached Under Cap, S size】 for medical wigs from Aderans Fontaine. A cap (hat/net) to wear under a medical wig is essential. 【Peace of mind even with sweat】 → Excellent absorbency 【Prevents slippage】 → Soft silicone is placed in 4 places, front, back, left and right inside, 　　　　　　　　　　　　　prevents the under cap from slipping 【Fit】 → Stretchy material + adjustment rubber at the back of the head for a secure fit ◎Material: Polyester, Polyurethane ◎Size Guide 【Head circumference (approx.)】 S size: 51cm - 54cm ★ You can enjoy a luxurious wearing experience and live your wig life with peace of mind. We are looking forward to your order (^-^) #MedicalWig #UnderNet #UnderCap Color...Black系 Stains, tears, odors, etc...None