Proquip tourflex px3 jacket grey the proquip tourflex px3 waterproof jacket is a high performance rain suit made from a four way stretch fabric the mechanical stretch in the super soft polyester shell guarantees unrivalled fit comfort and freedom of movement letting nothing stop you from making a full swing action on the course features and benefits 3 year waterproof guarantee four way mechanical stretch for total freedom of movement teflon coated for total waterp