RXP Drainflo Straight Coupler

Note: Kaiwaka Clothing and Canterbury Clothing run small, we recommend choosing a size larger.

Note: Size guide excludes John Bull, who offer a range of unisex styles. Their sizing is based on a UK sizing comparison (not a US sizing comparison). If comparing a US size, deduct one size as a general guide.

Note: Size guide excludes Canterbury Clothing. This brand runs small, recommend choosing a size larger.

Note: Size guide excludes John Bull, who offer a range of unisex styles. Their sizing is based on a UK sizing comparison (not a US sizing comparison). For women, we suggest deducting three sizes from your usual UK women’s size to find your John Bull size.

We recommend purchasing the same UK size as your regular daily footwear, such as a trainer. Grubs Boots have a 15mm allowance for a woolblend / thicker sock which also means if you are a half size, we recommend sizing down.