Specification Brand : Lavacore BulletPoint1 : Windproof and Breathable Middle Layer – Provides superior protection against wind chill while allowing breathability for comfort during activity. BulletPoint2 : Thumb Loops and Extended Back – Thumb loops for secure fit and extended material to prevent shirt from riding up during movement. BulletPoint3 : 4-Way Stretch and Lightweight Design – Offers full flexibility and ease of movement for multi-sport use. BulletPoint4 : Neutrally Buoyant Lavacore Fabric – Ensures optimal comfort without affecting flotation in water activities. BulletPoint5 : UPF 50+ Sun Protection – Blocks harmful UV rays, providing additional protection during outdoor sports. Color : Black Department : mens ExternallyAssignedProductIdentifier1 : 020545071570 ExternallyAssignedProductIdentifier2 : 0020545071570 ExternallyAssignedProductIdentifier3 : 00020545071570 ImportDesignation : Made in the USA or Imported ItemDisplayDimensions_Height : 2 inches ItemDisplayDimensions_Length : 10 inches ItemDisplayDimensions_Width : 12 inches ItemName : Lavacore Men's Polytherm Long Sleeve Thermal Top – Windproof, Durable, and UPF 50+ Protection, Medium ItemPackageDimensions_Height : 4.318 centimeters ItemPackageDimensions_Length : 34.798 centimeters ItemPackageDimensions_Width : 25.4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : athletic-rash-guard-shirts Manufacturer : Lavacore Material : Polyester Blend ModelName : Lavacore Men's Long Sleeve Top ModelNumber : 873.3627.53 PartNumber : 873.3627.53 ProductDescription : The perfect multi-sport thermal garment when superior protection against wind chill and surface splash is required ProductSiteLaunchDate : 2012-03-23T01:08:10.890Z Size : Medium SizeMap : MD SportType : water sports SupplierDeclaredDgHzRegulation : not_applicable TemperatureRatingDegrees : 75 degrees_fahrenheit UnspscCode : 46181500 WarrantyDescription : One Year Warranty WaterResistanceLevel : water_repellent