Experience the perfect blend of durable performance and feminine elegance with our Performance Base Top 01. Many performance tops aren’t optimized for hiking, but we've designed our Performance Base Top 01 to address this gap, ensuring you have the durability you need. Featuring a high neckline and backpack-friendly wide straps, this high-compression top offers a sleek silhouette and enhanced support. Crafted from an impressive four-way stretch fabric that’s highly abrasion-resistant, our top is designed to help you withstand diverse terrains. With an ultraviolet protection factor of 50+ and an interior cooling effect, along with breathable, sweat-wicking properties, this top ensures comfort and protection in all conditions. Wear it solo or layer it under our Trail Sun Shirt 02 for added coverage. Embrace freedom of movement and minimalist style with our Performance Base Top 01. Because sometimes, less is more. HIKER-APPROVED FEATURES High-compression fit UPF 50+ High neck and wide straps Four-way stretch and longline elastic waistband Highly abrasion and pilling-resistant Interior cooling effect SIZE + FIT The Performance Base Top 01 is designed for a snug fit. Women with smaller frames should size down. Size Guide Chest CircumferencePlace the measuring tape around the fullest part of your chest, at mid bust level wearing your bra for best results. Waist CircumferenceMeasure around your natural waistline at belly button level, pull the tape until it is snug. Hip CircumferenceMeasure around the fullest part of your hips at mid-bum level (without jeans or things on your pockets for best results) MATERIALS + CARE 71% post-consumer recycled nylon, 29% elastane Weight: 225 gsm bluesign® certified for strict environmental and worker-safety standards OEKO-TEX® certified for non-harmful chemicals to humans Microsense Soft Performance technology for enhanced softness Four-way stretch for opaque coverage Highly abrasion and pilling resistant Washing Instructions: To wash your Performance Base Top 01, place it in a garment bag for protection and to prevent microfibers from entering waterways. Machine wash on a gentle cycle at a maximum of 86 °F/ 30 °C with similar-colored clothing. We recommend using gentle, environmentally friendly laundry detergent. Avoid fabric softener as it harms the environment and may negatively affect the garment’s performance. Drying Instructions: Hang dry. We recommend not tumble drying as it causes unnecessary wear and tear. Do not iron. Do not dry clean. Contact [email protected] for repairs. Please repurpose or recycle at the end of the garment’s life.