Bias cut dresses are designed to fit and flow in all the right places. Vintage 90s Monsoon Dual Coloured 100% Silk Bias Cut Slip Dress UK 10 Oasis Tie Strap Bias Cut Maxi Dress, Sage Green Dresses Fadyen Bias Cut Maxi Dress Black Princess Polly Oozing old school glamour, these bias cut dresses look like they're straight from the silver screen. Oozing old school glamour, these bias cut dresses look like they're straight from the silver screen.