Men's 2023 Sleeveless Cycling Base Layer Undershirt For Mtb Racing. Elevate Your Athletic Performance with This Premier Sleeveless Base Layer. Crafted from a Lightweight Polyester and Spandex Blend, It Ensures Exceptional Breathability and Effective Temperature Control. Its Advanced Moisture-wicking Technology Efficiently Draws Sweat Away, Keeping You Dry Even During High-intensity Activities. The Flat Lock Seams Are Designed to Minimize Chafing, Offering Enhanced Comfort for Any Physical Pursuit. With 50+ UV Protection, This Base Layer is Ideal for Outdoor Activities Like Running, Jogging, or Gym Sessions. The Unisex Design Ensures a Snug Fit, So Please Check the Sizing Guide As It Tends to Run Smaller Than Average. Suitable for All Sports and Seasons, This Sleeveless Essential is a Must-have for Every Athlete's Wardrobe. Features: - Versatile Sleeveless Design - Breathable and Lightweight - Advanced Moisture-wicking Technology - Flat Lock Seams to Reduce Chafing - 50+ UV Protection - Suitable for All Seasons and Sports - Unisex Fit (runs Small, Refer to Sizing Guide).