ROUND-NECK SWEATER SHORT SLEEVES GARMENT WITH SEAMLESS TECHNOLOGY, THE GARMENT HAS DIFFERENT ZONES WITH DIFFERENT CONSTRUCTION IN ORDER TO GET MORE TRANSPIRABLE ZONE OR CLOSER ZONE TO OBTAINE MORE MUSCLE SUPPORT. THE FABRIC IS TRANSPIRING AND KEEP THE SKIN FRESH AND DRY, THE ELASTICITY GUARANTEES A PERFECT SHAPE, IT IS SOFT AND LIGHT, SUITABLE FOR ALL SEASON