Converse All Star City Trek waterproof Boots size 39/6 UK

I was given these for Christmas but unfortunately they are too big and the tag had fallen off so can’t return them. They are so nice though and perfect for winter as they are waterproof. Please see below for description: Face Those Rainy Commutes In Style With The Chuck Taylor All Star City Trek Waterproof Boot. Downtown To Downpours When It Comes To Fall Weather, Expect The Unexpected. Converse Knows This, And That'S Why We Designed The Chuck Taylor All Star City Trek Wp. It'S A Timeless Look, Now In A Boot, With Four Innovations To Get You Through Fall: Waterproofing, Comfort, Traction, And Warmth. Non-Wicking Canvas Helps To Keep You Dry, While Gussets Lock The Tongue-And Warmth-In Place. A Converse Traction Utility Tread Pattern Helps Keep You Steady On Rainy Commutes. Plus, It Comes In Easy-To-Wear Colors To Help You Ground Your Fall Style. Product Details Boot With Mixed Material Upper Cx Cushioning For Next-Level Comfort Leather Quarter Panels, And Elastic Heel tab For Easy On Or Off Waterproof Non-Wicking, Gusset Tongue To Lock In Place and Converse Traction Utility Tread Pattern