SUGOi Apparel Size Chart The Titan warm weather singlet combines multiple cooling fabrics to keep you cool when working out. Its Smart Seam construction prevents uncomfortable rubbing and increases your freedom of movement. The Titan offers UPF 50+ rated UV protection during the day, and sports reflective elements for visibility at night. Features: - Lightweight cooling performance with an intelligent mix of Icefil(R) and Chill Mesh fabrics - Smart seam construction to increase movement and reduce abrasion - UPF 50+ - Reflective details - Fabric: Chill Mesh (91% Polyester 9% Spandex)