- Lightweight 2.5” TechSilk™ shell (silky soft, fast dry, moisture control, 2-way stretch) technical silk. Fabric from France. - Anti-chafe 3” Justice™ liner (silky soft, fast dry, moisture control, 4-way stretch) technical silk. - Double waistband construction to tuck drawcords in and avoid chafing. - Integrated sweatproof phone pocket in the double waistband. - Anti-chafe bonded seam construction. - Mini S-Carabiner to clip in valuables. - Exterior detachable care label so nothing rubs against your skin.