credit
In available credit
Cancel
Home » All Sunglasses » Siena Sunglasses
Arrow

Why We Made It.

Built to celebrate and keep up with reigning IRONMAN® World Champion, Lucy Charles-Barclay, Siena is all style, all performance, and no compromise. This limited edition frame combines lead-the-pack engineering with off-the-field look.
of /

CORE TECHNOLOGY

SPECIFICATIONS

FRAME

NYLON INJECTED FRAME

Injection-molded TR 90 nylon frames designed and built for fit and comfort

  • Durable, lightweight and flexible
  • High impact strength
  • Chemical and sweat resistant
  • Dimensional stability in both hot
and cold environments
GEKO™ COMFORT AND RETENTION TECHNOLOGY

Patented biomimicry-inspired GEKO™ Pads on the temples and nose for optimal multi-directional traction and comfort.

  • Proprietary ROKA Blend Thermoplastic Elastomer (TPE)
  • Enhanced Shock Absorption and Traction
  • Hydrophilic Properties - Tackier When Exposed to Sweat/Water
  • High Chemical Resistance
  • High Environmental Stress Resistance
INTERCHANGEABLE GEKO™ NOSEPADS

Each pair of frames comes with three different sized nose pads to allow you to 
dial in your fit. Each nose pad features GEKO™ technology to secure the nose pad in place while active.

PREMIUM SPRING HINGES

Seamlessly integrated hinges engineered for performance, comfort, and fit. These durable stainless-steel hinges will never wear out or require any tightening. They provide stable retention and keep the temples either in fully open or fully closed positions without ever becoming floppy or loose.

DIMENSIONS

54 mm lens width, 35.2mm lens height

17 mm distance between lenses

140mm temple length

WEIGHT

23g

FIT

Anthropometric-based design and shape based on global headform standards for ultimate fit, comfort and performance in most conditions.

LENSES

PREMIUM COATINGS

All ROKA performance eyewear has the following lens coatings.

Scratch resistance Highly abrasion-resistant coating which increases surface hardness allowing lenses to exceed testing requirements.

Fog resistant Reduce fog and water formation on the lenses. Smooth coating surfaces allow for easy cleaning after use.

Hydrophobic/Oleophobic Help repel water and reduce oil buildup.

Anti-Reflective Reduce glare and unwanted reflections

MISC.

STYLE NAME

Siena

INCLUDES

Case, microfiber bag, multiple nosepad sizes

DURABILITY

All ROKA performance eyewear has been validated through extensive mechanical and environment testing to ensure that durability and reliability exceed customer expectations.

CLEANING

Hand wash with mild soap and water.

PATENTS

View all ROKA patents here.

TECH

FLOATFIT™ Frames
Won't Fall Off Your Face
C3_ICON_BLACK
C3™ Lenses and Coatings
ROKA_RUN_ICON_BLACK
Made to Move™
ROKA_SWEAT_RESISTANT_ICON_BLACK
Sweat Resistant
Fog Resistant
ROKA_PRESSURE_POINTS_ICON_WHITE
No Pressure Points
1,000-Day Warranty
↑ Return to top of page ↑
GO BACK TO TOP