Portwest Argyll Heavy Fleece f400 The 400gsm fleece is comfortable to wear and ensures that warmth is locked in. Size - Chest to Fit XXS - 28/30", XS - 32/34", S - 36/38", M - 40/41", L - 42/44", XL - 46/48", 2XL - 50/52", 3XL - 54-55", 4XL - 56-58", 5XL - 60-64", 6XL - 65-67", 7XL - 69-73" Fabric 100% Polyester. Anti-pill finish Weight 400gsm Traditional classic design with quality anti-pill finish.