On Women Studio Knit Crop - Mineral / Heather Size:S It features a bright LED

It features a bright LED light that enhances visibility during nighttime activities

or keychains

Improve your speed by 10seconds every 10km

Featherweight breathable 
knit and mesh upper for connected performance

On Women Studio Knit Crop - Mineral / Heather Size:S It features a bright LEDA soft, stretchy crop top that fits like a second skin perfect for yoga, Pilates, and low impact training. Materials Main Fabric: Polyester (recycled) 45%, Polyamide (recycled) 44%, Elastane 11%. Key features Seamless, smooth feel Soft fabric for ultimate comfort Bonded openings at the arms and neck 4 way stretch fabric Supportive feel Effortless movement Designed for a second skin feel. Bonded at the arms and neck to reduce chafing, so you can focus