Story A lightweight workhorse for everyday training The Session Tee by Tracksmith is the perfect high-performance workout partner. Made from a lightweight, moisture-wicking stretch knit, it’s durably built to handle whatever your training plan throws at you. The relaxed fit and silky soft feel keep things comfortable, while the antimicrobial finish keeps you fresh. Plus, its heathered finish and understated style make it wearable well past the day’s run. Features Perforated for enhanced breathability Polygiene® odor-repelling treatment keeps you fresh Relaxed fit for extra mobility UV-protective Materials 84% Polyester, 16% Spandex Sizing The Tracksmith Session Tee has a regular fit, take your normal size in t-shirts For the best personal fit, compare your body measurements to the size chart below Body Measurements XS S M L XL XXL Your Chest 32 - 34 35 - 37 38 - 40 41 - 43 44 - 46 47 - 49 Still not sure? Compare the measurements of one of your best-fitting shirts to the garment measurements below Garment Measurements XS S M L XL XXL Chest 38 40 42 44½ 47 49½ Body Length 26¼ 26⅜ 27 27⅝ 28¼ 28⅞ All measurements are in inches. How to Measure - Your Chest: Measure under your arms around the widest part of your chest, keeping the tape level across the front and back to get an accurate measurement - Garment Chest: Measure straight across from edge to edge, starting 1" below the armhole, multiply by 2 - Garment Body Length: Start at the top of the shoulder where it meets the neck seam, and measure straight down to the hem Care Machine wash cold with like colors Do not bleach Do not use softners Tumble dry low Low iron About Tracksmith The runner is a peculiar beast. Trading a warm bed for the morning chill while most others hit ‘snooze’ requires passion, self-discipline, and a desire to push personal limits. Tracksmith is a premium running wear brand dedicated to those out there putting in miles every day—because a real runner knows there’s no such thing as the off-season.