Burton Midweight Base Layer Crew The Men&';s Burton Midweight Base Layer Crew is a do-it-all essential built for comfort in any condition. Made with DRYRIDE Ultrawick fabric, it delivers quick-drying, breathable warmth that adapts to your body temperature for all-day comfort. HeiQA(R) Fresh odor control keeps it feeling fresh run after run, while the four-way stretch and chafe-free seams ensure unrestricted movement. Whether layered under a jacket or worn solo, this midweight crew is a reliable go-to for every session. Details Material: DRYRIDE Ultrawick Midweight [92% Recycled Polyester, 8% Spandex] with HeiQA(R) odor control technology Warmth: Midweight 200 fabric regulates temperature for balanced comfort Fit: Regular fit for easy layering Performance: Quick-drying, highly breathable, and 360Adeg stretch for unrestricted mobility Comfort: Chafe-free softlock seams and thumbhole cuffs for a secure, comfortable fit Sustainability: BluesignA(R) approved materials reduce impact on people and the planet Warranty: Lifetime warranty