GV2 Mens Aero Warm Wicking Compression Thermal Long John Underwear Top Bottom Polyester 92% / Polyurethane 8% Imported Item includes One SET (Top and Bottom) or Bottom Only, GV2 Warm Thermal Underwear is made of Performance Fabric for keeping Warmth and Fresh Condition Warmth Performance Fabric Keep Warmth with Base hollow-core Fibers by Blocking Cold air Performance Fabric for Rapid Wicking and Evaporation of Sweat, Keep Soft and Moisturess Condition Feed off the Arm Sewing for Comfort Wear, Warm-Biz Style, Raglan diagonal Sewing, Indivisual Packing for Safe Delivery, 100% Brand New and High Quality FBA Shipment is Available on the item marked as (Fulfilled by Amazon)