Sondico Core Base Short Sleeves Mens Do you want a base layer that is ideal for training? Look no further than the Sondico Core Base Short Sleeves, manufactured with mesh ventilation panels under the arms and a rubberised trimmed hem to allow breathability and a comfortable fit. Powered by LYCRA® fibre for long-lasting comfort and freedom of movement. > Sondico Core Base Short Sleeves > Rubberised trim hem > Mesh ventilation panels > Crew neck collar > Sondico branding > Short sleeves > Flat lock seams > Shell: 92% Polyester, 8% Lycra (M. Grey: 90% Polyester / 10% Lycra) > Mesh: 82% polyester 18% elastane > Machine washable at 30 degrees > Keep away from fire and flame