Setup® Airlume Jersey T-Shirt The soft and stretchy Summer-Weight Tee. Airlume cotton blend fabric for superior comfort and breathability. • Airlume Cotton Blend • 160GSM Heather Cotton/Polyester Mix Fabric • Side Seams and Shoulder Taping • Setup® Detailing • Longer Fit with an Athletic cut -- Size Guide: With an Athletic cut the Airlume T-Shirt comes with a slightly slimmer and longer fit compared to our boxy fit standard Tee's and MTB Jerseys. The pit to pit measurements are approx. Medium 48cm, Large 51.5cm, XL 59cm -- Sweatshop Free & Eco Friendly Production Made/Finished by Hand to Order in Derbyshire UK All Setup® garments are hand finished to order in Derbyshire, England. Please allow a little longer than usual for production and delivery. We aim to get orders in the post to you within 5 working days.