“Well, let’s fix that right now. After years of research, development, and testing, we’ve created the perfect bed sheets for hot sleepers. Jax Sheets might not be the ideal bed sheets for everyone (we’re talking to you, flannel sheet lovers), but it is undoubtedly the best for hot sleepers, and it has some groundbreaking features and benefits.” The sheets come in many sizes including Twin, Twin XL, Full, Queen, King and Cali King. They’re made out of luxe fabric and come in grey, white, navy blue and burgundy. Each set includes 2 pillow cases, a fitted sheet and a flat sheet.