Compatible Models: The 20mm sport ankle/armbands are compatible with Galaxy Watch 7/6 40mm 44mm, Galaxy Watch 5 40mm 44mm, Galaxy Watch 5 Pro 45mm, Galaxy Watch 4 40mm 44mm, Galaxy Watch 4&6 Classic, Galaxy Watch 3 41mm, Galaxy Watch Active 2, Galaxy Watch Active, Galaxy Watch 42mm, Galaxy Gear Sport, Galaxy Gear S2 Classic. Also fits smartwatches with 20mm lug width, such as Garmin Vivoactive 3, Garmin Venu Sq. However, NOT suitable for Garmin Venu 3 plus. Excellent Choice: This elastic nylon ankle/armband can be used as a birthday gift for friends who love fitness and sports, adapts to all training movements, more breathable than leather or silicone, perfect for running, walking, fitness, yoga, cycling, and other physical activities. Elastic Material. Nylon Ankle/Armband Compatible with Galaxy Watch 5 Ankle/armband for men is made of nylon material, naturally heat-dissipating material, double-woven band, skin-friendly, durable, soft and breathable, lightweight, and easy to clean. FIT: Elastic sport nylon ankle/armband fits 175mm-345mm (6.88-13.58) inch ankle/arm. The armband comes with quick-release pins on both ends, which lock onto your smartwatch precisely and securely, easy to install directly and remove in seconds. UNIQUE DESIGN: With strong adhesion, you can easily adjust the length to fit your ankles/arms perfectly, sturdy and non-detachable, easy to put on and take off, wrist comfort, durable and breathable, lightweight design.