Utilizing our exclusive Velo-pro fabric, which gives maximum warmth, comfort, and durability with minimum bulk through this 220 grm/m2 mix of Polyamide and 40 denier elastane yarns, the MC1060b bib short will keep you warm on the coldest mornings. Coupled with 2XU's new fusion pro chamois: 3 different density foams for the right cushioning in the right anatomical regions (Exclusive to 2XU). The MC1060b achieves our objective of creating a garment design that maximizes freedom of movement while staying warm, increasing blood flow and therefore maximizing performance.