








TSL Research Cap
Built for long days under the sun, the Apex Research Cap is a classic six-panel with breathable mesh backing that keeps you cool in the field or on the water. Durable, comfortable, and easy to adjust, it’s a trusted companion whether you’re charting data, tagging sharks, or just enjoying a day outdoors. Available in different colors to fit your style.
Why You’ll Love It:
Two styles: Black & White Mesh or Navy Blue Mesh
Structured six-panel design with a 3.5″ crown (8.9 cm)
Mid-profile fit with low-profile embroidery area
Breathable mesh back to keep cool during fieldwork
Durable cotton-polyester blend (26% cotton, 74% polyester)
Permacurv® visor with matching undervisor for sun protection
Adjustable plastic closure for a custom fit
Head circumference: 21⅝″–23⅝″ (54.9–60 cm)
A cap that works as hard as you do — from field notes to dockside debriefs.
Shade smart. Work harder. Stay Apex.
Built for long days under the sun, the Apex Research Cap is a classic six-panel with breathable mesh backing that keeps you cool in the field or on the water. Durable, comfortable, and easy to adjust, it’s a trusted companion whether you’re charting data, tagging sharks, or just enjoying a day outdoors. Available in different colors to fit your style.
Why You’ll Love It:
Two styles: Black & White Mesh or Navy Blue Mesh
Structured six-panel design with a 3.5″ crown (8.9 cm)
Mid-profile fit with low-profile embroidery area
Breathable mesh back to keep cool during fieldwork
Durable cotton-polyester blend (26% cotton, 74% polyester)
Permacurv® visor with matching undervisor for sun protection
Adjustable plastic closure for a custom fit
Head circumference: 21⅝″–23⅝″ (54.9–60 cm)
A cap that works as hard as you do — from field notes to dockside debriefs.
Shade smart. Work harder. Stay Apex.