CSB x Isabelle Mathers

Meet the CSB x Isabelle Mathers collection—where laid-back style meets off-duty movement. Curated by Isabelle herself, this edit blends soft textures, clean cuts, and staple neutrals that pair effortlessly with your activewear rotation. From oversized crews to sculpted crops, each piece brings her signature street-meets-studio vibe.

Whether you’re layering up in a matching set or mixing with your CSB basics, these looks deliver everyday wearability with a modern edge. The CSB x Isabelle Mathers drop includes versatile essentials you'll live in—on rest days, run days, and everything in between.

Shop similar collections: All Women’s Activewear | Serenity Fabric | CSB x Isabelle Mathers | Sweatshirts & Hoodies | Playsuits