Innovative knitting technology was applied in the construction of the fabric. Diamond shape pattern was designed to create vacuum space to reduce stickiness against skin and enhance efficiency of wicking capability. Multi-directional stretch and seamless flatlock stitch also allow maximum comfort. Double Knitted Technology By weaving versatile fibre, utilize superb silky touch against skin while ultra wicking fibre removes moisture away from wearer. Provide excellent cool and dry experience. Coolmax Fibre Hollow “C” shaped yarn traps air and decrease heat exchange with outer layer while complex channels of ultra wicking fibre regulate sweat into larger surface area creating much more efficient evaporative cooling.