![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_375/cms/5xSCMGcHyVo86sk87hQIjR/cc52ffec16c2e5db901d6a22ab5975d1/Unisex_Mobile_TrinoMat.png)
Trino™ Material
Breathable Super-Yarn
We knit our proprietary yarn made of eucalyptus fiber and ZQ Merino wool into a breathable, moisture wicking mesh.
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_860/cms/1zhnvnurr7de5sU7mUSvHO/f391e7dcdc2143f6decee70eb6e199b4/td-1-mgys-shoe-macro-top-global-mens-tree-dashers-geyser.jpg)
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_375/cms/5ohBlaB8galGA0fl4aLnLX/b970cf3675e0622f3d8b3926c8458c34/Unisex_Mobile_knit.png)
Reinforced Knit
Durable Fibres
We reinforced the heel and toe of our premium knit with durable recycled nylon and included an archband to lightly hug your foot.
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_860/cms/6oxLMhu7MAIugiNB6AoTJN/a9b6edc1ddf515194f973b6b8d96cc77/td-1-mgys-shoe-macro-ins-is-de-global-mens-tree-dashers-geyser.jpg)
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_375/cms/1qu7ORSvEtgMQnQYGI1FEc/81344197967433e28ce83bce7b0cfde3/M_W_TD_Mobile_Trino.png)
Comfort Tabs
Secure Silhouette
Designed to mimic the Dasher collar, the Sprinter's tabs on the front and back of the sock add a soft layer between your foot and the shoe.
![](http://cdn.allbirds.com/image/upload/f_auto,q_auto,w_860/cms/5B68VC9qfmtUuszLzFHh6Y/2298b108c18e27bf9afc7dfa80ecebf1/trino-sprinter.png)