Product Troy Lee Designs Protector Vest UPV 3900 HW Black Variant : Black Product no. SID52984-0 Material : Outer Materials: 82% Polyamide, 18% Elastane - Inner Materials: 90% Polyamide, 10% Elastane Sizing chart straighten View sizing chart The UPV 3900 HW is ideal for warm weather conditions. Breathable material and perforated paddings provide optimal cooling, while the highly developed bio-foam guarantees excellent upper body protection. Details: Wide neck opening for improved comfort Anatomical design with integrated protection zones Dense bio-foam protection of the spine and other key areas of the back Hex-mesh fabric with air vents for optimal cooling Size Chest Circumference in cm Waist Circumference in cm S 86-90 71-76 M 91-98 79-84 L 99-110 86-92 XL 111-117 96-102