Unisex Race Day Arm Sleeve Size:S Style #: S21070-124

Style #: S21070-124

next-generation optical heart rate sensor

making it easier to use your smartphone while on the run

-- designed for people who run

- reflective detailing for night run visibility

Unisex Race Day Arm Sleeve Size:S Style #: S21070-124When race temps soar, the Race Day Arm Sleeves deliver coverage, storage and even cooling with its ice friendly pockets. Super stretchy fabric with 35% LYCRA ADAPTIV hugs tightly for a performance fit, flatlock seams feel smooth and laser perforation at the inner elbows allows extra breathability. One pocket at the triceps and another on the forearm offer easy access to fuel or a place to stash ice cubes so you can stay cool and go fast. Designed For