<!--ProdInc[180036006]/Mall:[reioutlet_US]-->Lightweight, 4-way stretch Aerotech outer combined with a flat, elasticized waist and ultrasoft inner for comfort Aerotech fabric construction with micro holes for better breathability 4-way stretch fabric moves in all 4 directions with the support of elastic yarns The short inseam, racing cut and lightweight fabric provide freedom of movement so you can keep up the pace 37.5\u00AE technology optimizes your bodys microclimate to maintain an ideal core temperature so you perform better, longer; drys 5x faster than similar fabric Easy-access mesh storage integrated in the front of the inner briefs means your things will stay put