The Ostrya Long Sleeve features a cowl neck-band in our soft Technical bamboo . throw on with legging and sneakers for a casual look. This piece features a semi-loose fit with a cowl neck to give it a beautiful silhouette.
This piece is made of Technical Bamboo. For more information on our fabrics, please see here.
- Cowl-Neck
- Long Sleeve
- Semi-Loose Fit
To find your size, please refer to our size chart below. If you are between sizes, we recommend sizing up as Tonic fabrics are stretchy yet compressive.
Need help understanding how a garment will fit? Our fit chart below should help you figure out how our tops and bottoms fit on your body.


I’m not too sure about my measurements. How should I be measuring?

Bust: Measure around the largest point of your chest
Waist: Measure at the smallest point of your torso and above the waist
Hips: Measure around the largest point of your hips near pelvic bone
Still have questions about fit? We are here to help! Let's chat.