Transparent welly boots that come with three pairs of patterned welly socks for your little one to choose from, creating a new welly boot look for themselves. Transparent wellies + Mousey, Bears, Spots socks. Transparent welly boots. - Imagination for Your Wellies! Change your look whenever you please with the Squelch transparent welly boots. Mix and match with different socks to create your own unique style! - A Great Tread on the Sole of The Welly. A great tread on the sole of the welly boot making it ideal for grip. - Squelch children’s wellies arrive in a purple bag made from 100% recycled material. - Welly made from PVC. Squelch socks: - Cotton-rich, thick, cosy and fun socks for children - These socks are 1-2 years oldm one size fits all and are suitable for size EU22-EU25 (UK5-7.5) wellies.