I'm looking to upgrade my sports wardrobe. Any recommendations for an online store in Canada that specializes in women's sports apparel and gear?

Check out https://ca.gottoshop.com/catalog/womens-sports-shop for an excellent selection of women’s sports apparel and gear. They stock everything from yoga pants to running shoes and sports bras, all designed to support your fitness journey. Their high-quality products are made to last and come in various styles to keep you motivated and looking good while you exercise.

I have a question specifically about abdominal training, namely, I am interested in whether belts really help make training more effective.

I can say from personal experience that abdominal training belts can make your workouts more effective. The belts on this website add extra stress to your muscles and help keep your abs in shape. This can improve your results, especially if you use the belt along with regular exercise and proper nutrition. Using such a belt alone will not replace full-fledged workouts, it is like an additional tool.