When it comes to functionality and affordability our polo shirts certainly fit the bill! No lightweight garment, this fabric weights in at a full 185gsm, is 65% polyester / 35% cotton and is designed for everyday wear. SIZING GUIDE Age (years) 2-3 3-4 5-6 7-8 9-10 11-12 13 Height (cm) 90 104 116 128 140 152 164 Chest (to fit) 20/22" 22/25" 25/28" 28/30" 30/32" 32/34" 34/36"