Breathable mesh baby carrier, available in sizes XS-XL. - Brand: Konny - Model Name: Baby Carrier FLEX SUMMER - Sizes: XS-XL - Material (Body): 87% Polyester, 13% Elastane - Material (Lining): 100% Polyester - Accessories: Storage bag, Instruction manual - Features: Breathable mesh material Thank you for viewing. This mesh material is perfect for this time of year. I only tried it on, and it didn't fit me. I've never used it outside. I purchased it new on Amazon for about 8000 yen. It also has a head support, so it can be used from newborns.