Summer Sandos, T.shirts and Vests for your dog. Shop for dog shirts, tank tops and sandos at Shake Hands and find high-quality styles your pup will be happy to wear. Dog t.shirts are best when they’re breathable and lightweight. With that in mind many of the dog tees available at Shake Hands feature fabrics that can be comfortably worn year around. The sandos featured in this section are a comfortable and stylish option for warmer days.