Elevate your activewear wardrobe with this Nike Men's Dri-Fit Therma LS Mock Neck Baselayer Top in size medium. Perfect for the winter, fall, or spring seasons, this heavyweight and stretchy polyester blend fabric is designed to keep you comfortable and moisture-wicking during gym and training sessions, walking, cross-training, crossfit, bodybuilding, or running and jogging activities. The stand-up collar and pullover closure add a classic and retro touch to this modern and sports-themed t-shirt, while the geometric pattern and Nike logo accents provide a stylish flair. This Nike Therma product line is machine washable and features slimming properties, making it a must-have for any athletic fit.