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The Siren 3 GTX/Blue Smoke are women's walking shoes from Merrell.
Designed and developed exclusively for women, the Siren 3 GTX is perfectly adapted to women's morphology. It features Q FORM™ 2 technology with a dual-intensity sole that centers and aligns the heel according to gender. The insole features Kinetic Fit™ Tri technology to provide adequate support for the entire plantar arch.
The Siren 3 GTX has a mesh and TPU upper that is particularly resistant to abrasion. In addition, its gusseted tongue prevents dirt from entering the shoe. Treated with the antibacterial agent M Select™ FRESH, it helps to reduce odours and ensures your feet stay as healthy and clean as possible.
Equipped with a Gore-Tex® membrane, your feet are guaranteed to stay dry and ventilated from the beginning to the end of your trip.
Finally, its molded TPU Hyperlock™ heel counters secure the foot while the Vibram® MegaGrip® outsole provides excellent grip and stability in all conditions.

Details:
- Mesh and TPU upper
- Canvas buckles for good support
- Moulded TPU Hyperlock™ heel counter for added protection
- Gusseted tongue to prevent dirt from entering
- M Select™ FRESH antibacterial agents to reduce shoe odour
- The removable profiled EVA Kinetic Fit™ Tri insole provides light weight and support on all three foot arches
- The dual-intensity Q FORM™ 2 midsole centers the heel and ensures gender-specific alignment and comfort
- Vibram® MegaGrip®
- Gore-Tex® waterproof membrane provides good breathability
- Spikes: 4.5 mm
Technology:
VIBRAM® MEGAGRIP®: sole adapted to relatively slippery surfaces. 4 season use. An incomparable combination of grip and durability. Perfectly suited for various activities such as hiking or canoeing.
Q FORM™ 2: optimal stability, natural alignment and intuitive support
GORE-TEX®: high-performance technology that is breathable and waterproof